Home / 1,642,415-2,250,070.75-1,581,010.18

Finding the Fourth Proportional to 1,642,415, 2,250,070.75 and 1,581,010.18

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Solution

The fourth proportional to 1,642,415, 2,250,070.75 and 1,581,010.18 is: 2,165,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,415 : 2,250,070.75 = 1,581,010.18 : x
  2. Step 2: Convert to fraction form
    1,642,415/2,250,070.75 = 1,581,010.18/x
  3. Step 3: Cross multiply
    1,642,415x = 2,250,070.75 × 1,581,010.18
  4. Step 4: Simplify right side
    1,642,415x = 3,557,384,767,095.41
  5. Step 5: Solve for x
    x = 3,557,384,767,095.41/1,642,415
  6. Step 6: Final answer
    x = 2,165,947.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.