Home / 1,952,315.16-2,927,994.92-815,086.78

Finding the Fourth Proportional to 1,952,315.16, 2,927,994.92 and 815,086.78

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Solution

The fourth proportional to 1,952,315.16, 2,927,994.92 and 815,086.78 is: 1,222,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952,315.16 : 2,927,994.92 = 815,086.78 : x
  2. Step 2: Convert to fraction form
    1,952,315.16/2,927,994.92 = 815,086.78/x
  3. Step 3: Cross multiply
    1,952,315.16x = 2,927,994.92 × 815,086.78
  4. Step 4: Simplify right side
    1,952,315.16x = 2,386,569,951,199.16
  5. Step 5: Solve for x
    x = 2,386,569,951,199.16/1,952,315.16
  6. Step 6: Final answer
    x = 1,222,430.68

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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.