Home / 2,587,321.60-3,880,982.40-904,249.60

Finding the Fourth Proportional to 2,587,321.60, 3,880,982.40 and 904,249.60

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Solution

The fourth proportional to 2,587,321.60, 3,880,982.40 and 904,249.60 is: 1,356,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,321.60 : 3,880,982.40 = 904,249.60 : x
  2. Step 2: Convert to fraction form
    2,587,321.60/3,880,982.40 = 904,249.60/x
  3. Step 3: Cross multiply
    2,587,321.60x = 3,880,982.40 × 904,249.60
  4. Step 4: Simplify right side
    2,587,321.60x = 3,509,376,782,807.04
  5. Step 5: Solve for x
    x = 3,509,376,782,807.04/2,587,321.60
  6. Step 6: Final answer
    x = 1,356,374.40

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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.