Home / 3,315,211.40-4,972,817.10-3,291,591.80

Finding the Fourth Proportional to 3,315,211.40, 4,972,817.10 and 3,291,591.80

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Solution

The fourth proportional to 3,315,211.40, 4,972,817.10 and 3,291,591.80 is: 4,937,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,211.40 : 4,972,817.10 = 3,291,591.80 : x
  2. Step 2: Convert to fraction form
    3,315,211.40/4,972,817.10 = 3,291,591.80/x
  3. Step 3: Cross multiply
    3,315,211.40x = 4,972,817.10 × 3,291,591.80
  4. Step 4: Simplify right side
    3,315,211.40x = 16,368,483,989,259.78
  5. Step 5: Solve for x
    x = 16,368,483,989,259.78/3,315,211.40
  6. Step 6: Final answer
    x = 4,937,387.70

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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.