Home / 2,464,414.80-3,696,276.60-781,688.40

Finding the Fourth Proportional to 2,464,414.80, 3,696,276.60 and 781,688.40

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Solution

The fourth proportional to 2,464,414.80, 3,696,276.60 and 781,688.40 is: 1,172,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,464,414.80 : 3,696,276.60 = 781,688.40 : x
  2. Step 2: Convert to fraction form
    2,464,414.80/3,696,276.60 = 781,688.40/x
  3. Step 3: Cross multiply
    2,464,414.80x = 3,696,276.60 × 781,688.40
  4. Step 4: Simplify right side
    2,464,414.80x = 2,889,336,541,411.44
  5. Step 5: Solve for x
    x = 2,889,336,541,411.44/2,464,414.80
  6. Step 6: Final answer
    x = 1,172,422.98

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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.