Home / 3,895,985.48-5,374,887.90-2,589,869.12

Finding the Fourth Proportional to 3,895,985.48, 5,374,887.90 and 2,589,869.12

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Solution

The fourth proportional to 3,895,985.48, 5,374,887.90 and 2,589,869.12 is: 3,572,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,985.48 : 5,374,887.90 = 2,589,869.12 : x
  2. Step 2: Convert to fraction form
    3,895,985.48/5,374,887.90 = 2,589,869.12/x
  3. Step 3: Cross multiply
    3,895,985.48x = 5,374,887.90 × 2,589,869.12
  4. Step 4: Simplify right side
    3,895,985.48x = 13,920,256,195,671.65
  5. Step 5: Solve for x
    x = 13,920,256,195,671.65/3,895,985.48
  6. Step 6: Final answer
    x = 3,572,974.35

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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.