Home / 2,988,800.34-4,124,523.42-1,699,640.40

Finding the Fourth Proportional to 2,988,800.34, 4,124,523.42 and 1,699,640.40

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Solution

The fourth proportional to 2,988,800.34, 4,124,523.42 and 1,699,640.40 is: 2,345,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,800.34 : 4,124,523.42 = 1,699,640.40 : x
  2. Step 2: Convert to fraction form
    2,988,800.34/4,124,523.42 = 1,699,640.40/x
  3. Step 3: Cross multiply
    2,988,800.34x = 4,124,523.42 × 1,699,640.40
  4. Step 4: Simplify right side
    2,988,800.34x = 7,010,206,635,378.17
  5. Step 5: Solve for x
    x = 7,010,206,635,378.17/2,988,800.34
  6. Step 6: Final answer
    x = 2,345,491.78

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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.