Home / 6,805,502.39-9,391,805.93-3,905,423.75

Finding the Fourth Proportional to 6,805,502.39, 9,391,805.93 and 3,905,423.75

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Solution

The fourth proportional to 6,805,502.39, 9,391,805.93 and 3,905,423.75 is: 5,389,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805,502.39 : 9,391,805.93 = 3,905,423.75 : x
  2. Step 2: Convert to fraction form
    6,805,502.39/9,391,805.93 = 3,905,423.75/x
  3. Step 3: Cross multiply
    6,805,502.39x = 9,391,805.93 × 3,905,423.75
  4. Step 4: Simplify right side
    6,805,502.39x = 36,678,981,934,412.84
  5. Step 5: Solve for x
    x = 36,678,981,934,412.84/6,805,502.39
  6. Step 6: Final answer
    x = 5,389,606.80

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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.