Home / 2,465,013.60-3,697,520.40-869,378.40

Finding the Fourth Proportional to 2,465,013.60, 3,697,520.40 and 869,378.40

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Solution

The fourth proportional to 2,465,013.60, 3,697,520.40 and 869,378.40 is: 1,304,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465,013.60 : 3,697,520.40 = 869,378.40 : x
  2. Step 2: Convert to fraction form
    2,465,013.60/3,697,520.40 = 869,378.40/x
  3. Step 3: Cross multiply
    2,465,013.60x = 3,697,520.40 × 869,378.40
  4. Step 4: Simplify right side
    2,465,013.60x = 3,214,544,369,319.36
  5. Step 5: Solve for x
    x = 3,214,544,369,319.36/2,465,013.60
  6. Step 6: Final answer
    x = 1,304,067.60

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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.