Home / 3,519,382.95-5,281,071.45-1,900,130.21

Finding the Fourth Proportional to 3,519,382.95, 5,281,071.45 and 1,900,130.21

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Solution

The fourth proportional to 3,519,382.95, 5,281,071.45 and 1,900,130.21 is: 2,851,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519,382.95 : 5,281,071.45 = 1,900,130.21 : x
  2. Step 2: Convert to fraction form
    3,519,382.95/5,281,071.45 = 1,900,130.21/x
  3. Step 3: Cross multiply
    3,519,382.95x = 5,281,071.45 × 1,900,130.21
  4. Step 4: Simplify right side
    3,519,382.95x = 10,034,723,376,908.15
  5. Step 5: Solve for x
    x = 10,034,723,376,908.15/3,519,382.95
  6. Step 6: Final answer
    x = 2,851,273.51

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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.