Home / 4,385,409.80-6,578,114.70-2,145,921.80

Finding the Fourth Proportional to 4,385,409.80, 6,578,114.70 and 2,145,921.80

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Solution

The fourth proportional to 4,385,409.80, 6,578,114.70 and 2,145,921.80 is: 3,218,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385,409.80 : 6,578,114.70 = 2,145,921.80 : x
  2. Step 2: Convert to fraction form
    4,385,409.80/6,578,114.70 = 2,145,921.80/x
  3. Step 3: Cross multiply
    4,385,409.80x = 6,578,114.70 × 2,145,921.80
  4. Step 4: Simplify right side
    4,385,409.80x = 14,116,119,737,630.46
  5. Step 5: Solve for x
    x = 14,116,119,737,630.46/4,385,409.80
  6. Step 6: Final answer
    x = 3,218,882.70

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Double scale
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Similar ratio
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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.