Home / 5,717,320.89-7,889,916.42-3,139,167.03

Finding the Fourth Proportional to 5,717,320.89, 7,889,916.42 and 3,139,167.03

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Solution

The fourth proportional to 5,717,320.89, 7,889,916.42 and 3,139,167.03 is: 4,332,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717,320.89 : 7,889,916.42 = 3,139,167.03 : x
  2. Step 2: Convert to fraction form
    5,717,320.89/7,889,916.42 = 3,139,167.03/x
  3. Step 3: Cross multiply
    5,717,320.89x = 7,889,916.42 × 3,139,167.03
  4. Step 4: Simplify right side
    5,717,320.89x = 24,767,765,495,119.63
  5. Step 5: Solve for x
    x = 24,767,765,495,119.63/5,717,320.89
  6. Step 6: Final answer
    x = 4,332,057.96

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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.