Home / 2,290,754.19-3,161,154.21-1,272,224.55

Finding the Fourth Proportional to 2,290,754.19, 3,161,154.21 and 1,272,224.55

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Solution

The fourth proportional to 2,290,754.19, 3,161,154.21 and 1,272,224.55 is: 1,755,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,754.19 : 3,161,154.21 = 1,272,224.55 : x
  2. Step 2: Convert to fraction form
    2,290,754.19/3,161,154.21 = 1,272,224.55/x
  3. Step 3: Cross multiply
    2,290,754.19x = 3,161,154.21 × 1,272,224.55
  4. Step 4: Simplify right side
    2,290,754.19x = 4,021,697,992,297.86
  5. Step 5: Solve for x
    x = 4,021,697,992,297.86/2,290,754.19
  6. Step 6: Final answer
    x = 1,755,621.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.