Home / 3,036,397.02-4,188,569.04-1,947,456.78

Finding the Fourth Proportional to 3,036,397.02, 4,188,569.04 and 1,947,456.78

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Solution

The fourth proportional to 3,036,397.02, 4,188,569.04 and 1,947,456.78 is: 2,686,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036,397.02 : 4,188,569.04 = 1,947,456.78 : x
  2. Step 2: Convert to fraction form
    3,036,397.02/4,188,569.04 = 1,947,456.78/x
  3. Step 3: Cross multiply
    3,036,397.02x = 4,188,569.04 × 1,947,456.78
  4. Step 4: Simplify right side
    3,036,397.02x = 8,157,057,175,446.09
  5. Step 5: Solve for x
    x = 8,157,057,175,446.09/3,036,397.02
  6. Step 6: Final answer
    x = 2,686,426.42

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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.