Home / 2,220,009.60-3,328,556.40-871,359.60

Finding the Fourth Proportional to 2,220,009.60, 3,328,556.40 and 871,359.60

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Solution

The fourth proportional to 2,220,009.60, 3,328,556.40 and 871,359.60 is: 1,306,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,009.60 : 3,328,556.40 = 871,359.60 : x
  2. Step 2: Convert to fraction form
    2,220,009.60/3,328,556.40 = 871,359.60/x
  3. Step 3: Cross multiply
    2,220,009.60x = 3,328,556.40 × 871,359.60
  4. Step 4: Simplify right side
    2,220,009.60x = 2,900,369,573,281.44
  5. Step 5: Solve for x
    x = 2,900,369,573,281.44/2,220,009.60
  6. Step 6: Final answer
    x = 1,306,467.13

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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.