Home / 3,885,389.40-5,825,319.30-1,488,307.80

Finding the Fourth Proportional to 3,885,389.40, 5,825,319.30 and 1,488,307.80

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Solution

The fourth proportional to 3,885,389.40, 5,825,319.30 and 1,488,307.80 is: 2,231,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,389.40 : 5,825,319.30 = 1,488,307.80 : x
  2. Step 2: Convert to fraction form
    3,885,389.40/5,825,319.30 = 1,488,307.80/x
  3. Step 3: Cross multiply
    3,885,389.40x = 5,825,319.30 × 1,488,307.80
  4. Step 4: Simplify right side
    3,885,389.40x = 8,669,868,151,680.54
  5. Step 5: Solve for x
    x = 8,669,868,151,680.54/3,885,389.40
  6. Step 6: Final answer
    x = 2,231,402.64

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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.