Home / 1,932,545.60-2,898,818.40-1,214,043.20

Finding the Fourth Proportional to 1,932,545.60, 2,898,818.40 and 1,214,043.20

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Solution

The fourth proportional to 1,932,545.60, 2,898,818.40 and 1,214,043.20 is: 1,821,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,545.60 : 2,898,818.40 = 1,214,043.20 : x
  2. Step 2: Convert to fraction form
    1,932,545.60/2,898,818.40 = 1,214,043.20/x
  3. Step 3: Cross multiply
    1,932,545.60x = 2,898,818.40 × 1,214,043.20
  4. Step 4: Simplify right side
    1,932,545.60x = 3,519,290,766,554.88
  5. Step 5: Solve for x
    x = 3,519,290,766,554.88/1,932,545.60
  6. Step 6: Final answer
    x = 1,821,064.80

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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.