Home / 1,988,216.78-2,982,101.82-549,104.77

Finding the Fourth Proportional to 1,988,216.78, 2,982,101.82 and 549,104.77

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Solution

The fourth proportional to 1,988,216.78, 2,982,101.82 and 549,104.77 is: 823,595.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,216.78 : 2,982,101.82 = 549,104.77 : x
  2. Step 2: Convert to fraction form
    1,988,216.78/2,982,101.82 = 549,104.77/x
  3. Step 3: Cross multiply
    1,988,216.78x = 2,982,101.82 × 549,104.77
  4. Step 4: Simplify right side
    1,988,216.78x = 1,637,486,326,532.43
  5. Step 5: Solve for x
    x = 1,637,486,326,532.43/1,988,216.78
  6. Step 6: Final answer
    x = 823,595.47

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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.