Home / 2,131,308.55-3,191,714.02-1,008,065.35

Finding the Fourth Proportional to 2,131,308.55, 3,191,714.02 and 1,008,065.35

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Solution

The fourth proportional to 2,131,308.55, 3,191,714.02 and 1,008,065.35 is: 1,509,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,308.55 : 3,191,714.02 = 1,008,065.35 : x
  2. Step 2: Convert to fraction form
    2,131,308.55/3,191,714.02 = 1,008,065.35/x
  3. Step 3: Cross multiply
    2,131,308.55x = 3,191,714.02 × 1,008,065.35
  4. Step 4: Simplify right side
    2,131,308.55x = 3,217,456,310,671.21
  5. Step 5: Solve for x
    x = 3,217,456,310,671.21/2,131,308.55
  6. Step 6: Final answer
    x = 1,509,615.45

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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.