Home / 2,069,708.60-3,105,079.58-721,890.58

Finding the Fourth Proportional to 2,069,708.60, 3,105,079.58 and 721,890.58

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Solution

The fourth proportional to 2,069,708.60, 3,105,079.58 and 721,890.58 is: 1,083,016.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,708.60 : 3,105,079.58 = 721,890.58 : x
  2. Step 2: Convert to fraction form
    2,069,708.60/3,105,079.58 = 721,890.58/x
  3. Step 3: Cross multiply
    2,069,708.60x = 3,105,079.58 × 721,890.58
  4. Step 4: Simplify right side
    2,069,708.60x = 2,241,527,692,994.38
  5. Step 5: Solve for x
    x = 2,241,527,692,994.38/2,069,708.60
  6. Step 6: Final answer
    x = 1,083,016.08

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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.