Home / 2,438,068.16-3,657,342.81-840,420.92

Finding the Fourth Proportional to 2,438,068.16, 3,657,342.81 and 840,420.92

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Solution

The fourth proportional to 2,438,068.16, 3,657,342.81 and 840,420.92 is: 1,260,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,068.16 : 3,657,342.81 = 840,420.92 : x
  2. Step 2: Convert to fraction form
    2,438,068.16/3,657,342.81 = 840,420.92/x
  3. Step 3: Cross multiply
    2,438,068.16x = 3,657,342.81 × 840,420.92
  4. Step 4: Simplify right side
    2,438,068.16x = 3,073,707,390,848.87
  5. Step 5: Solve for x
    x = 3,073,707,390,848.87/2,438,068.16
  6. Step 6: Final answer
    x = 1,260,714.30

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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.