Home / 3,128,363.04-4,316,396.64-1,904,654.56

Finding the Fourth Proportional to 3,128,363.04, 4,316,396.64 and 1,904,654.56

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Solution

The fourth proportional to 3,128,363.04, 4,316,396.64 and 1,904,654.56 is: 2,627,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,363.04 : 4,316,396.64 = 1,904,654.56 : x
  2. Step 2: Convert to fraction form
    3,128,363.04/4,316,396.64 = 1,904,654.56/x
  3. Step 3: Cross multiply
    3,128,363.04x = 4,316,396.64 × 1,904,654.56
  4. Step 4: Simplify right side
    3,128,363.04x = 8,221,244,543,144.68
  5. Step 5: Solve for x
    x = 8,221,244,543,144.68/3,128,363.04
  6. Step 6: Final answer
    x = 2,627,970.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.