Home / 4,738,541.20-7,107,811.80-3,132,408.40

Finding the Fourth Proportional to 4,738,541.20, 7,107,811.80 and 3,132,408.40

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Solution

The fourth proportional to 4,738,541.20, 7,107,811.80 and 3,132,408.40 is: 4,698,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738,541.20 : 7,107,811.80 = 3,132,408.40 : x
  2. Step 2: Convert to fraction form
    4,738,541.20/7,107,811.80 = 3,132,408.40/x
  3. Step 3: Cross multiply
    4,738,541.20x = 7,107,811.80 × 3,132,408.40
  4. Step 4: Simplify right side
    4,738,541.20x = 22,264,569,387,939.12
  5. Step 5: Solve for x
    x = 22,264,569,387,939.12/4,738,541.20
  6. Step 6: Final answer
    x = 4,698,612.60

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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.