Home / 1,660,112.10-2,490,168.15-939,714.30

Finding the Fourth Proportional to 1,660,112.10, 2,490,168.15 and 939,714.30

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Solution

The fourth proportional to 1,660,112.10, 2,490,168.15 and 939,714.30 is: 1,409,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,112.10 : 2,490,168.15 = 939,714.30 : x
  2. Step 2: Convert to fraction form
    1,660,112.10/2,490,168.15 = 939,714.30/x
  3. Step 3: Cross multiply
    1,660,112.10x = 2,490,168.15 × 939,714.30
  4. Step 4: Simplify right side
    1,660,112.10x = 2,340,046,619,959.55
  5. Step 5: Solve for x
    x = 2,340,046,619,959.55/1,660,112.10
  6. Step 6: Final answer
    x = 1,409,571.45

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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.