Home / 2,689,423.60-4,034,135.40-2,670,761.20

Finding the Fourth Proportional to 2,689,423.60, 4,034,135.40 and 2,670,761.20

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Solution

The fourth proportional to 2,689,423.60, 4,034,135.40 and 2,670,761.20 is: 4,006,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,423.60 : 4,034,135.40 = 2,670,761.20 : x
  2. Step 2: Convert to fraction form
    2,689,423.60/4,034,135.40 = 2,670,761.20/x
  3. Step 3: Cross multiply
    2,689,423.60x = 4,034,135.40 × 2,670,761.20
  4. Step 4: Simplify right side
    2,689,423.60x = 10,774,212,301,866.48
  5. Step 5: Solve for x
    x = 10,774,212,301,866.48/2,689,423.60
  6. Step 6: Final answer
    x = 4,006,141.80

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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.