Home / 6,435,856.80-9,657,331.20-3,913,283.52

Finding the Fourth Proportional to 6,435,856.80, 9,657,331.20 and 3,913,283.52

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Solution

The fourth proportional to 6,435,856.80, 9,657,331.20 and 3,913,283.52 is: 5,872,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435,856.80 : 9,657,331.20 = 3,913,283.52 : x
  2. Step 2: Convert to fraction form
    6,435,856.80/9,657,331.20 = 3,913,283.52/x
  3. Step 3: Cross multiply
    6,435,856.80x = 9,657,331.20 × 3,913,283.52
  4. Step 4: Simplify right side
    6,435,856.80x = 37,791,875,032,141.82
  5. Step 5: Solve for x
    x = 37,791,875,032,141.82/6,435,856.80
  6. Step 6: Final answer
    x = 5,872,081.40

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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.