Home / 1,939,356.48-2,909,034.65-914,448.18

Finding the Fourth Proportional to 1,939,356.48, 2,909,034.65 and 914,448.18

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Solution

The fourth proportional to 1,939,356.48, 2,909,034.65 and 914,448.18 is: 1,371,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,356.48 : 2,909,034.65 = 914,448.18 : x
  2. Step 2: Convert to fraction form
    1,939,356.48/2,909,034.65 = 914,448.18/x
  3. Step 3: Cross multiply
    1,939,356.48x = 2,909,034.65 × 914,448.18
  4. Step 4: Simplify right side
    1,939,356.48x = 2,660,161,441,249.44
  5. Step 5: Solve for x
    x = 2,660,161,441,249.44/1,939,356.48
  6. Step 6: Final answer
    x = 1,371,672.24

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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.