Home / 2,758,216.80-4,129,646.40-1,407,460.80

Finding the Fourth Proportional to 2,758,216.80, 4,129,646.40 and 1,407,460.80

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Solution

The fourth proportional to 2,758,216.80, 4,129,646.40 and 1,407,460.80 is: 2,107,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,216.80 : 4,129,646.40 = 1,407,460.80 : x
  2. Step 2: Convert to fraction form
    2,758,216.80/4,129,646.40 = 1,407,460.80/x
  3. Step 3: Cross multiply
    2,758,216.80x = 4,129,646.40 × 1,407,460.80
  4. Step 4: Simplify right side
    2,758,216.80x = 5,812,315,425,861.12
  5. Step 5: Solve for x
    x = 5,812,315,425,861.12/2,758,216.80
  6. Step 6: Final answer
    x = 2,107,272.87

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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.