Home / 1,672,712.20-2,511,036.60-1,660,902.40

Finding the Fourth Proportional to 1,672,712.20, 2,511,036.60 and 1,660,902.40

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Solution

The fourth proportional to 1,672,712.20, 2,511,036.60 and 1,660,902.40 is: 2,493,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,712.20 : 2,511,036.60 = 1,660,902.40 : x
  2. Step 2: Convert to fraction form
    1,672,712.20/2,511,036.60 = 1,660,902.40/x
  3. Step 3: Cross multiply
    1,672,712.20x = 2,511,036.60 × 1,660,902.40
  4. Step 4: Simplify right side
    1,672,712.20x = 4,170,586,715,427.84
  5. Step 5: Solve for x
    x = 4,170,586,715,427.84/1,672,712.20
  6. Step 6: Final answer
    x = 2,493,308.00

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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.