Home / 4,810,031.20-7,215,046.80-4,376,130.40

Finding the Fourth Proportional to 4,810,031.20, 7,215,046.80 and 4,376,130.40

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Solution

The fourth proportional to 4,810,031.20, 7,215,046.80 and 4,376,130.40 is: 6,564,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810,031.20 : 7,215,046.80 = 4,376,130.40 : x
  2. Step 2: Convert to fraction form
    4,810,031.20/7,215,046.80 = 4,376,130.40/x
  3. Step 3: Cross multiply
    4,810,031.20x = 7,215,046.80 × 4,376,130.40
  4. Step 4: Simplify right side
    4,810,031.20x = 31,573,985,638,902.72
  5. Step 5: Solve for x
    x = 31,573,985,638,902.72/4,810,031.20
  6. Step 6: Final answer
    x = 6,564,195.60

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Similar ratio
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1.5x scale

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.