Home / 5,302,431.60-7,318,186.56-3,127,213.88

Finding the Fourth Proportional to 5,302,431.60, 7,318,186.56 and 3,127,213.88

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Solution

The fourth proportional to 5,302,431.60, 7,318,186.56 and 3,127,213.88 is: 4,316,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302,431.60 : 7,318,186.56 = 3,127,213.88 : x
  2. Step 2: Convert to fraction form
    5,302,431.60/7,318,186.56 = 3,127,213.88/x
  3. Step 3: Cross multiply
    5,302,431.60x = 7,318,186.56 × 3,127,213.88
  4. Step 4: Simplify right side
    5,302,431.60x = 22,885,534,586,861.45
  5. Step 5: Solve for x
    x = 22,885,534,586,861.45/5,302,431.60
  6. Step 6: Final answer
    x = 4,316,045.22

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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.