Home / 1,964,201.30-2,945,442.88-990,966.66

Finding the Fourth Proportional to 1,964,201.30, 2,945,442.88 and 990,966.66

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Solution

The fourth proportional to 1,964,201.30, 2,945,442.88 and 990,966.66 is: 1,486,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,201.30 : 2,945,442.88 = 990,966.66 : x
  2. Step 2: Convert to fraction form
    1,964,201.30/2,945,442.88 = 990,966.66/x
  3. Step 3: Cross multiply
    1,964,201.30x = 2,945,442.88 × 990,966.66
  4. Step 4: Simplify right side
    1,964,201.30x = 2,918,835,693,014.38
  5. Step 5: Solve for x
    x = 2,918,835,693,014.38/1,964,201.30
  6. Step 6: Final answer
    x = 1,486,016.58

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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.