Home / 2,891,348.72-3,990,050.48-1,602,188.08

Finding the Fourth Proportional to 2,891,348.72, 3,990,050.48 and 1,602,188.08

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Solution

The fourth proportional to 2,891,348.72, 3,990,050.48 and 1,602,188.08 is: 2,211,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,348.72 : 3,990,050.48 = 1,602,188.08 : x
  2. Step 2: Convert to fraction form
    2,891,348.72/3,990,050.48 = 1,602,188.08/x
  3. Step 3: Cross multiply
    2,891,348.72x = 3,990,050.48 × 1,602,188.08
  4. Step 4: Simplify right side
    2,891,348.72x = 6,392,811,317,654.28
  5. Step 5: Solve for x
    x = 6,392,811,317,654.28/2,891,348.72
  6. Step 6: Final answer
    x = 2,211,013.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.