Home / 6,670,983.78-9,206,944.85-4,223,821.91

Finding the Fourth Proportional to 6,670,983.78, 9,206,944.85 and 4,223,821.91

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Solution

The fourth proportional to 6,670,983.78, 9,206,944.85 and 4,223,821.91 is: 5,829,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670,983.78 : 9,206,944.85 = 4,223,821.91 : x
  2. Step 2: Convert to fraction form
    6,670,983.78/9,206,944.85 = 4,223,821.91/x
  3. Step 3: Cross multiply
    6,670,983.78x = 9,206,944.85 × 4,223,821.91
  4. Step 4: Simplify right side
    6,670,983.78x = 38,888,495,346,116.49
  5. Step 5: Solve for x
    x = 38,888,495,346,116.49/6,670,983.78
  6. Step 6: Final answer
    x = 5,829,499.31

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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.