Home / 2,639,967.60-3,960,019.68-842,849.52

Finding the Fourth Proportional to 2,639,967.60, 3,960,019.68 and 842,849.52

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Solution

The fourth proportional to 2,639,967.60, 3,960,019.68 and 842,849.52 is: 1,264,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,967.60 : 3,960,019.68 = 842,849.52 : x
  2. Step 2: Convert to fraction form
    2,639,967.60/3,960,019.68 = 842,849.52/x
  3. Step 3: Cross multiply
    2,639,967.60x = 3,960,019.68 × 842,849.52
  4. Step 4: Simplify right side
    2,639,967.60x = 3,337,700,686,478.55
  5. Step 5: Solve for x
    x = 3,337,700,686,478.55/2,639,967.60
  6. Step 6: Final answer
    x = 1,264,296.08

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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.