Home / 3,474,131.40-5,200,137.90-2,478,803.40

Finding the Fourth Proportional to 3,474,131.40, 5,200,137.90 and 2,478,803.40

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Solution

The fourth proportional to 3,474,131.40, 5,200,137.90 and 2,478,803.40 is: 3,710,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474,131.40 : 5,200,137.90 = 2,478,803.40 : x
  2. Step 2: Convert to fraction form
    3,474,131.40/5,200,137.90 = 2,478,803.40/x
  3. Step 3: Cross multiply
    3,474,131.40x = 5,200,137.90 × 2,478,803.40
  4. Step 4: Simplify right side
    3,474,131.40x = 12,890,119,506,988.86
  5. Step 5: Solve for x
    x = 12,890,119,506,988.86/3,474,131.40
  6. Step 6: Final answer
    x = 3,710,314.33

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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.