Home / 2,575,478.80-3,861,468.60-977,802.40

Finding the Fourth Proportional to 2,575,478.80, 3,861,468.60 and 977,802.40

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Solution

The fourth proportional to 2,575,478.80, 3,861,468.60 and 977,802.40 is: 1,466,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,478.80 : 3,861,468.60 = 977,802.40 : x
  2. Step 2: Convert to fraction form
    2,575,478.80/3,861,468.60 = 977,802.40/x
  3. Step 3: Cross multiply
    2,575,478.80x = 3,861,468.60 × 977,802.40
  4. Step 4: Simplify right side
    2,575,478.80x = 3,775,753,264,604.64
  5. Step 5: Solve for x
    x = 3,775,753,264,604.64/2,575,478.80
  6. Step 6: Final answer
    x = 1,466,039.35

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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.