Home / 2,488,686.40-3,733,720.80-1,069,422.40

Finding the Fourth Proportional to 2,488,686.40, 3,733,720.80 and 1,069,422.40

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Solution

The fourth proportional to 2,488,686.40, 3,733,720.80 and 1,069,422.40 is: 1,604,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488,686.40 : 3,733,720.80 = 1,069,422.40 : x
  2. Step 2: Convert to fraction form
    2,488,686.40/3,733,720.80 = 1,069,422.40/x
  3. Step 3: Cross multiply
    2,488,686.40x = 3,733,720.80 × 1,069,422.40
  4. Step 4: Simplify right side
    2,488,686.40x = 3,992,924,658,865.92
  5. Step 5: Solve for x
    x = 3,992,924,658,865.92/2,488,686.40
  6. Step 6: Final answer
    x = 1,604,430.62

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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.