Home / 3,500,278.60-5,239,920.30-2,079,603.40

Finding the Fourth Proportional to 3,500,278.60, 5,239,920.30 and 2,079,603.40

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Solution

The fourth proportional to 3,500,278.60, 5,239,920.30 and 2,079,603.40 is: 3,113,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,278.60 : 5,239,920.30 = 2,079,603.40 : x
  2. Step 2: Convert to fraction form
    3,500,278.60/5,239,920.30 = 2,079,603.40/x
  3. Step 3: Cross multiply
    3,500,278.60x = 5,239,920.30 × 2,079,603.40
  4. Step 4: Simplify right side
    3,500,278.60x = 10,896,956,071,609.02
  5. Step 5: Solve for x
    x = 10,896,956,071,609.02/3,500,278.60
  6. Step 6: Final answer
    x = 3,113,168.21

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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.