Home / 1,944,291.60-2,916,437.40-1,272,445.20

Finding the Fourth Proportional to 1,944,291.60, 2,916,437.40 and 1,272,445.20

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Solution

The fourth proportional to 1,944,291.60, 2,916,437.40 and 1,272,445.20 is: 1,908,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,291.60 : 2,916,437.40 = 1,272,445.20 : x
  2. Step 2: Convert to fraction form
    1,944,291.60/2,916,437.40 = 1,272,445.20/x
  3. Step 3: Cross multiply
    1,944,291.60x = 2,916,437.40 × 1,272,445.20
  4. Step 4: Simplify right side
    1,944,291.60x = 3,711,006,770,730.48
  5. Step 5: Solve for x
    x = 3,711,006,770,730.48/1,944,291.60
  6. Step 6: Final answer
    x = 1,908,667.80

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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.