Home / 5,436,985.20-8,160,143.40-2,409,010.80

Finding the Fourth Proportional to 5,436,985.20, 8,160,143.40 and 2,409,010.80

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Solution

The fourth proportional to 5,436,985.20, 8,160,143.40 and 2,409,010.80 is: 3,615,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436,985.20 : 8,160,143.40 = 2,409,010.80 : x
  2. Step 2: Convert to fraction form
    5,436,985.20/8,160,143.40 = 2,409,010.80/x
  3. Step 3: Cross multiply
    5,436,985.20x = 8,160,143.40 × 2,409,010.80
  4. Step 4: Simplify right side
    5,436,985.20x = 19,657,873,580,148.72
  5. Step 5: Solve for x
    x = 19,657,873,580,148.72/5,436,985.20
  6. Step 6: Final answer
    x = 3,615,583.43

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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.