Home / 1,515,351.02-2,272,943.45-916,151.30

Finding the Fourth Proportional to 1,515,351.02, 2,272,943.45 and 916,151.30

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Solution

The fourth proportional to 1,515,351.02, 2,272,943.45 and 916,151.30 is: 1,374,176.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,351.02 : 2,272,943.45 = 916,151.30 : x
  2. Step 2: Convert to fraction form
    1,515,351.02/2,272,943.45 = 916,151.30/x
  3. Step 3: Cross multiply
    1,515,351.02x = 2,272,943.45 × 916,151.30
  4. Step 4: Simplify right side
    1,515,351.02x = 2,082,360,080,598.51
  5. Step 5: Solve for x
    x = 2,082,360,080,598.51/1,515,351.02
  6. Step 6: Final answer
    x = 1,374,176.72

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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.