Home / 1,520,211.60-2,280,317.40-1,396,208.70

Finding the Fourth Proportional to 1,520,211.60, 2,280,317.40 and 1,396,208.70

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Solution

The fourth proportional to 1,520,211.60, 2,280,317.40 and 1,396,208.70 is: 2,094,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,211.60 : 2,280,317.40 = 1,396,208.70 : x
  2. Step 2: Convert to fraction form
    1,520,211.60/2,280,317.40 = 1,396,208.70/x
  3. Step 3: Cross multiply
    1,520,211.60x = 2,280,317.40 × 1,396,208.70
  4. Step 4: Simplify right side
    1,520,211.60x = 3,183,798,992,641.38
  5. Step 5: Solve for x
    x = 3,183,798,992,641.38/1,520,211.60
  6. Step 6: Final answer
    x = 2,094,313.05

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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.