Home / 2,858,123.12-4,288,026.88-1,151,388.16

Finding the Fourth Proportional to 2,858,123.12, 4,288,026.88 and 1,151,388.16

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Solution

The fourth proportional to 2,858,123.12, 4,288,026.88 and 1,151,388.16 is: 1,727,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858,123.12 : 4,288,026.88 = 1,151,388.16 : x
  2. Step 2: Convert to fraction form
    2,858,123.12/4,288,026.88 = 1,151,388.16/x
  3. Step 3: Cross multiply
    2,858,123.12x = 4,288,026.88 × 1,151,388.16
  4. Step 4: Simplify right side
    2,858,123.12x = 4,937,183,379,393.74
  5. Step 5: Solve for x
    x = 4,937,183,379,393.74/2,858,123.12
  6. Step 6: Final answer
    x = 1,727,421.52

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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.