Home / 6,439,000.80-8,885,242.80-3,538,356.96

Finding the Fourth Proportional to 6,439,000.80, 8,885,242.80 and 3,538,356.96

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Solution

The fourth proportional to 6,439,000.80, 8,885,242.80 and 3,538,356.96 is: 4,882,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,000.80 : 8,885,242.80 = 3,538,356.96 : x
  2. Step 2: Convert to fraction form
    6,439,000.80/8,885,242.80 = 3,538,356.96/x
  3. Step 3: Cross multiply
    6,439,000.80x = 8,885,242.80 × 3,538,356.96
  4. Step 4: Simplify right side
    6,439,000.80x = 31,439,160,702,669.89
  5. Step 5: Solve for x
    x = 31,439,160,702,669.89/6,439,000.80
  6. Step 6: Final answer
    x = 4,882,614.82

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1.5x scale

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.