Home / 2,961,123.40-4,441,685.10-831,568.60

Finding the Fourth Proportional to 2,961,123.40, 4,441,685.10 and 831,568.60

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Solution

The fourth proportional to 2,961,123.40, 4,441,685.10 and 831,568.60 is: 1,247,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,123.40 : 4,441,685.10 = 831,568.60 : x
  2. Step 2: Convert to fraction form
    2,961,123.40/4,441,685.10 = 831,568.60/x
  3. Step 3: Cross multiply
    2,961,123.40x = 4,441,685.10 × 831,568.60
  4. Step 4: Simplify right side
    2,961,123.40x = 3,693,565,860,247.86
  5. Step 5: Solve for x
    x = 3,693,565,860,247.86/2,961,123.40
  6. Step 6: Final answer
    x = 1,247,352.90

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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.