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Finding the Fourth Proportional to 7,216,473, 10,825,348.86 and 1,897,689

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Solution

The fourth proportional to 7,216,473, 10,825,348.86 and 1,897,689 is: 2,846,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,473 : 10,825,348.86 = 1,897,689 : x
  2. Step 2: Convert to fraction form
    7,216,473/10,825,348.86 = 1,897,689/x
  3. Step 3: Cross multiply
    7,216,473x = 10,825,348.86 × 1,897,689
  4. Step 4: Simplify right side
    7,216,473x = 20,543,145,452,784.54
  5. Step 5: Solve for x
    x = 20,543,145,452,784.54/7,216,473
  6. Step 6: Final answer
    x = 2,846,701.63

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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.