Home / 2,988,380.93-4,123,946.39-1,699,221.11

Finding the Fourth Proportional to 2,988,380.93, 4,123,946.39 and 1,699,221.11

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Solution

The fourth proportional to 2,988,380.93, 4,123,946.39 and 1,699,221.11 is: 2,344,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,380.93 : 4,123,946.39 = 1,699,221.11 : x
  2. Step 2: Convert to fraction form
    2,988,380.93/4,123,946.39 = 1,699,221.11/x
  3. Step 3: Cross multiply
    2,988,380.93x = 4,123,946.39 × 1,699,221.11
  4. Step 4: Simplify right side
    2,988,380.93x = 7,007,496,733,280.46
  5. Step 5: Solve for x
    x = 7,007,496,733,280.46/2,988,380.93
  6. Step 6: Final answer
    x = 2,344,914.16

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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.