Home / 1,988,251.27-2,982,153.53-549,139.37

Finding the Fourth Proportional to 1,988,251.27, 2,982,153.53 and 549,139.37

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Solution

The fourth proportional to 1,988,251.27, 2,982,153.53 and 549,139.37 is: 823,647.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,251.27 : 2,982,153.53 = 549,139.37 : x
  2. Step 2: Convert to fraction form
    1,988,251.27/2,982,153.53 = 549,139.37/x
  3. Step 3: Cross multiply
    1,988,251.27x = 2,982,153.53 × 549,139.37
  4. Step 4: Simplify right side
    1,988,251.27x = 1,637,617,897,169.56
  5. Step 5: Solve for x
    x = 1,637,617,897,169.56/1,988,251.27
  6. Step 6: Final answer
    x = 823,647.35

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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.