Home / 3,118,531.20-4,677,359.40-988,830.60

Finding the Fourth Proportional to 3,118,531.20, 4,677,359.40 and 988,830.60

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Solution

The fourth proportional to 3,118,531.20, 4,677,359.40 and 988,830.60 is: 1,483,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,531.20 : 4,677,359.40 = 988,830.60 : x
  2. Step 2: Convert to fraction form
    3,118,531.20/4,677,359.40 = 988,830.60/x
  3. Step 3: Cross multiply
    3,118,531.20x = 4,677,359.40 × 988,830.60
  4. Step 4: Simplify right side
    3,118,531.20x = 4,625,116,101,917.64
  5. Step 5: Solve for x
    x = 4,625,116,101,917.64/3,118,531.20
  6. Step 6: Final answer
    x = 1,483,107.21

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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.