Home / 2,758,006.80-4,129,331.40-1,407,250.80

Finding the Fourth Proportional to 2,758,006.80, 4,129,331.40 and 1,407,250.80

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Solution

The fourth proportional to 2,758,006.80, 4,129,331.40 and 1,407,250.80 is: 2,106,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,006.80 : 4,129,331.40 = 1,407,250.80 : x
  2. Step 2: Convert to fraction form
    2,758,006.80/4,129,331.40 = 1,407,250.80/x
  3. Step 3: Cross multiply
    2,758,006.80x = 4,129,331.40 × 1,407,250.80
  4. Step 4: Simplify right side
    2,758,006.80x = 5,811,004,916,115.12
  5. Step 5: Solve for x
    x = 5,811,004,916,115.12/2,758,006.80
  6. Step 6: Final answer
    x = 2,106,958.15

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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.