Home / 2,147,001.54-3,220,428.49-549,578.46

Finding the Fourth Proportional to 2,147,001.54, 3,220,428.49 and 549,578.46

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Solution

The fourth proportional to 2,147,001.54, 3,220,428.49 and 549,578.46 is: 824,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,001.54 : 3,220,428.49 = 549,578.46 : x
  2. Step 2: Convert to fraction form
    2,147,001.54/3,220,428.49 = 549,578.46/x
  3. Step 3: Cross multiply
    2,147,001.54x = 3,220,428.49 × 549,578.46
  4. Step 4: Simplify right side
    2,147,001.54x = 1,769,878,127,326.43
  5. Step 5: Solve for x
    x = 1,769,878,127,326.43/2,147,001.54
  6. Step 6: Final answer
    x = 824,348.79

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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.