Home / 2,643,987.60-3,965,981.40-649,443.60

Finding the Fourth Proportional to 2,643,987.60, 3,965,981.40 and 649,443.60

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Solution

The fourth proportional to 2,643,987.60, 3,965,981.40 and 649,443.60 is: 974,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,987.60 : 3,965,981.40 = 649,443.60 : x
  2. Step 2: Convert to fraction form
    2,643,987.60/3,965,981.40 = 649,443.60/x
  3. Step 3: Cross multiply
    2,643,987.60x = 3,965,981.40 × 649,443.60
  4. Step 4: Simplify right side
    2,643,987.60x = 2,575,681,237,949.04
  5. Step 5: Solve for x
    x = 2,575,681,237,949.04/2,643,987.60
  6. Step 6: Final answer
    x = 974,165.40

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Similar ratio
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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.