Home / 3,140,605.40-4,710,908.10-2,626,879.10

Finding the Fourth Proportional to 3,140,605.40, 4,710,908.10 and 2,626,879.10

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Solution

The fourth proportional to 3,140,605.40, 4,710,908.10 and 2,626,879.10 is: 3,940,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,605.40 : 4,710,908.10 = 2,626,879.10 : x
  2. Step 2: Convert to fraction form
    3,140,605.40/4,710,908.10 = 2,626,879.10/x
  3. Step 3: Cross multiply
    3,140,605.40x = 4,710,908.10 × 2,626,879.10
  4. Step 4: Simplify right side
    3,140,605.40x = 12,374,986,029,910.71
  5. Step 5: Solve for x
    x = 12,374,986,029,910.71/3,140,605.40
  6. Step 6: Final answer
    x = 3,940,318.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.