Home / 4,810,039.20-7,215,058.80-4,376,138.40

Finding the Fourth Proportional to 4,810,039.20, 7,215,058.80 and 4,376,138.40

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Solution

The fourth proportional to 4,810,039.20, 7,215,058.80 and 4,376,138.40 is: 6,564,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810,039.20 : 7,215,058.80 = 4,376,138.40 : x
  2. Step 2: Convert to fraction form
    4,810,039.20/7,215,058.80 = 4,376,138.40/x
  3. Step 3: Cross multiply
    4,810,039.20x = 7,215,058.80 × 4,376,138.40
  4. Step 4: Simplify right side
    4,810,039.20x = 31,574,095,872,937.92
  5. Step 5: Solve for x
    x = 31,574,095,872,937.92/4,810,039.20
  6. Step 6: Final answer
    x = 6,564,207.60

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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.