Home / 4,712,085.60-7,068,128.40-1,682,871.90

Finding the Fourth Proportional to 4,712,085.60, 7,068,128.40 and 1,682,871.90

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Solution

The fourth proportional to 4,712,085.60, 7,068,128.40 and 1,682,871.90 is: 2,524,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,085.60 : 7,068,128.40 = 1,682,871.90 : x
  2. Step 2: Convert to fraction form
    4,712,085.60/7,068,128.40 = 1,682,871.90/x
  3. Step 3: Cross multiply
    4,712,085.60x = 7,068,128.40 × 1,682,871.90
  4. Step 4: Simplify right side
    4,712,085.60x = 11,894,754,669,951.96
  5. Step 5: Solve for x
    x = 11,894,754,669,951.96/4,712,085.60
  6. Step 6: Final answer
    x = 2,524,307.85

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Why These Related Problems?

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