Home / 5,323,256.90-7,988,165.85-2,128,049.90

Finding the Fourth Proportional to 5,323,256.90, 7,988,165.85 and 2,128,049.90

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Solution

The fourth proportional to 5,323,256.90, 7,988,165.85 and 2,128,049.90 is: 3,193,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323,256.90 : 7,988,165.85 = 2,128,049.90 : x
  2. Step 2: Convert to fraction form
    5,323,256.90/7,988,165.85 = 2,128,049.90/x
  3. Step 3: Cross multiply
    5,323,256.90x = 7,988,165.85 × 2,128,049.90
  4. Step 4: Simplify right side
    5,323,256.90x = 16,999,215,538,275.91
  5. Step 5: Solve for x
    x = 16,999,215,538,275.91/5,323,256.90
  6. Step 6: Final answer
    x = 3,193,386.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.