Home / 1,882,521.60-2,819,635.20-1,318,502.40

Finding the Fourth Proportional to 1,882,521.60, 2,819,635.20 and 1,318,502.40

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Solution

The fourth proportional to 1,882,521.60, 2,819,635.20 and 1,318,502.40 is: 1,974,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,521.60 : 2,819,635.20 = 1,318,502.40 : x
  2. Step 2: Convert to fraction form
    1,882,521.60/2,819,635.20 = 1,318,502.40/x
  3. Step 3: Cross multiply
    1,882,521.60x = 2,819,635.20 × 1,318,502.40
  4. Step 4: Simplify right side
    1,882,521.60x = 3,717,695,778,324.48
  5. Step 5: Solve for x
    x = 3,717,695,778,324.48/1,882,521.60
  6. Step 6: Final answer
    x = 1,974,848.94

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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.