Home / 4,545,000.80-6,817,501.20-2,153,516.30

Finding the Fourth Proportional to 4,545,000.80, 6,817,501.20 and 2,153,516.30

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Solution

The fourth proportional to 4,545,000.80, 6,817,501.20 and 2,153,516.30 is: 3,230,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545,000.80 : 6,817,501.20 = 2,153,516.30 : x
  2. Step 2: Convert to fraction form
    4,545,000.80/6,817,501.20 = 2,153,516.30/x
  3. Step 3: Cross multiply
    4,545,000.80x = 6,817,501.20 × 2,153,516.30
  4. Step 4: Simplify right side
    4,545,000.80x = 14,681,599,959,469.56
  5. Step 5: Solve for x
    x = 14,681,599,959,469.56/4,545,000.80
  6. Step 6: Final answer
    x = 3,230,274.45

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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.