Home / 2,185,248.20-3,276,705.90-921,648.20

Finding the Fourth Proportional to 2,185,248.20, 3,276,705.90 and 921,648.20

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Solution

The fourth proportional to 2,185,248.20, 3,276,705.90 and 921,648.20 is: 1,381,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,248.20 : 3,276,705.90 = 921,648.20 : x
  2. Step 2: Convert to fraction form
    2,185,248.20/3,276,705.90 = 921,648.20/x
  3. Step 3: Cross multiply
    2,185,248.20x = 3,276,705.90 × 921,648.20
  4. Step 4: Simplify right side
    2,185,248.20x = 3,019,970,094,664.38
  5. Step 5: Solve for x
    x = 3,019,970,094,664.38/2,185,248.20
  6. Step 6: Final answer
    x = 1,381,980.36

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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.