Home / 3,149,770-4,348,026.15-2,117,875.90

Finding the Fourth Proportional to 3,149,770, 4,348,026.15 and 2,117,875.90

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Solution

The fourth proportional to 3,149,770, 4,348,026.15 and 2,117,875.90 is: 2,923,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,770 : 4,348,026.15 = 2,117,875.90 : x
  2. Step 2: Convert to fraction form
    3,149,770/4,348,026.15 = 2,117,875.90/x
  3. Step 3: Cross multiply
    3,149,770x = 4,348,026.15 × 2,117,875.90
  4. Step 4: Simplify right side
    3,149,770x = 9,208,579,795,654.79
  5. Step 5: Solve for x
    x = 9,208,579,795,654.79/3,149,770
  6. Step 6: Final answer
    x = 2,923,572.13

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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.