Home / 1,638,781.65-2,262,018.69-950,627.52

Finding the Fourth Proportional to 1,638,781.65, 2,262,018.69 and 950,627.52

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Solution

The fourth proportional to 1,638,781.65, 2,262,018.69 and 950,627.52 is: 1,312,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,781.65 : 2,262,018.69 = 950,627.52 : x
  2. Step 2: Convert to fraction form
    1,638,781.65/2,262,018.69 = 950,627.52/x
  3. Step 3: Cross multiply
    1,638,781.65x = 2,262,018.69 × 950,627.52
  4. Step 4: Simplify right side
    1,638,781.65x = 2,150,337,217,468.35
  5. Step 5: Solve for x
    x = 2,150,337,217,468.35/1,638,781.65
  6. Step 6: Final answer
    x = 1,312,156.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.