Home / 2,722,278.76-4,084,008.54-828,970.60

Finding the Fourth Proportional to 2,722,278.76, 4,084,008.54 and 828,970.60

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Solution

The fourth proportional to 2,722,278.76, 4,084,008.54 and 828,970.60 is: 1,243,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722,278.76 : 4,084,008.54 = 828,970.60 : x
  2. Step 2: Convert to fraction form
    2,722,278.76/4,084,008.54 = 828,970.60/x
  3. Step 3: Cross multiply
    2,722,278.76x = 4,084,008.54 × 828,970.60
  4. Step 4: Simplify right side
    2,722,278.76x = 3,385,523,009,808.92
  5. Step 5: Solve for x
    x = 3,385,523,009,808.92/2,722,278.76
  6. Step 6: Final answer
    x = 1,243,635.68

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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.