Home / 3,434,969.40-5,152,454.10-910,879.80

Finding the Fourth Proportional to 3,434,969.40, 5,152,454.10 and 910,879.80

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Solution

The fourth proportional to 3,434,969.40, 5,152,454.10 and 910,879.80 is: 1,366,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434,969.40 : 5,152,454.10 = 910,879.80 : x
  2. Step 2: Convert to fraction form
    3,434,969.40/5,152,454.10 = 910,879.80/x
  3. Step 3: Cross multiply
    3,434,969.40x = 5,152,454.10 × 910,879.80
  4. Step 4: Simplify right side
    3,434,969.40x = 4,693,266,360,117.18
  5. Step 5: Solve for x
    x = 4,693,266,360,117.18/3,434,969.40
  6. Step 6: Final answer
    x = 1,366,319.70

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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.