Home / 1,625,978.65-2,438,451.28-1,519,838.07

Finding the Fourth Proportional to 1,625,978.65, 2,438,451.28 and 1,519,838.07

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Solution

The fourth proportional to 1,625,978.65, 2,438,451.28 and 1,519,838.07 is: 2,279,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,978.65 : 2,438,451.28 = 1,519,838.07 : x
  2. Step 2: Convert to fraction form
    1,625,978.65/2,438,451.28 = 1,519,838.07/x
  3. Step 3: Cross multiply
    1,625,978.65x = 2,438,451.28 × 1,519,838.07
  4. Step 4: Simplify right side
    1,625,978.65x = 3,706,051,087,184.23
  5. Step 5: Solve for x
    x = 3,706,051,087,184.23/1,625,978.65
  6. Step 6: Final answer
    x = 2,279,274.14

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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.