Home / 2,451,712.40-3,677,568.60-768,813.20

Finding the Fourth Proportional to 2,451,712.40, 3,677,568.60 and 768,813.20

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Solution

The fourth proportional to 2,451,712.40, 3,677,568.60 and 768,813.20 is: 1,153,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451,712.40 : 3,677,568.60 = 768,813.20 : x
  2. Step 2: Convert to fraction form
    2,451,712.40/3,677,568.60 = 768,813.20/x
  3. Step 3: Cross multiply
    2,451,712.40x = 3,677,568.60 × 768,813.20
  4. Step 4: Simplify right side
    2,451,712.40x = 2,827,363,283,585.52
  5. Step 5: Solve for x
    x = 2,827,363,283,585.52/2,451,712.40
  6. Step 6: Final answer
    x = 1,153,219.80

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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.