Home / 3,278,378.89-4,523,598.40-2,102,006.52

Finding the Fourth Proportional to 3,278,378.89, 4,523,598.40 and 2,102,006.52

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Solution

The fourth proportional to 3,278,378.89, 4,523,598.40 and 2,102,006.52 is: 2,900,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,378.89 : 4,523,598.40 = 2,102,006.52 : x
  2. Step 2: Convert to fraction form
    3,278,378.89/4,523,598.40 = 2,102,006.52/x
  3. Step 3: Cross multiply
    3,278,378.89x = 4,523,598.40 × 2,102,006.52
  4. Step 4: Simplify right side
    3,278,378.89x = 9,508,633,330,661.57
  5. Step 5: Solve for x
    x = 9,508,633,330,661.57/3,278,378.89
  6. Step 6: Final answer
    x = 2,900,407.08

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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.