Home / 3,397,678.39-4,688,796.86-1,869,785.52

Finding the Fourth Proportional to 3,397,678.39, 4,688,796.86 and 1,869,785.52

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Solution

The fourth proportional to 3,397,678.39, 4,688,796.86 and 1,869,785.52 is: 2,580,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397,678.39 : 4,688,796.86 = 1,869,785.52 : x
  2. Step 2: Convert to fraction form
    3,397,678.39/4,688,796.86 = 1,869,785.52/x
  3. Step 3: Cross multiply
    3,397,678.39x = 4,688,796.86 × 1,869,785.52
  4. Step 4: Simplify right side
    3,397,678.39x = 8,767,044,475,049.47
  5. Step 5: Solve for x
    x = 8,767,044,475,049.47/3,397,678.39
  6. Step 6: Final answer
    x = 2,580,304.39

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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.