Home / 5,134,672.72-7,085,956.56-2,811,663.28

Finding the Fourth Proportional to 5,134,672.72, 7,085,956.56 and 2,811,663.28

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Solution

The fourth proportional to 5,134,672.72, 7,085,956.56 and 2,811,663.28 is: 3,880,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,672.72 : 7,085,956.56 = 2,811,663.28 : x
  2. Step 2: Convert to fraction form
    5,134,672.72/7,085,956.56 = 2,811,663.28/x
  3. Step 3: Cross multiply
    5,134,672.72x = 7,085,956.56 × 2,811,663.28
  4. Step 4: Simplify right side
    5,134,672.72x = 19,923,323,863,427.11
  5. Step 5: Solve for x
    x = 19,923,323,863,427.11/5,134,672.72
  6. Step 6: Final answer
    x = 3,880,154.58

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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.