Home / 1,977,793.20-2,966,689.80-715,325.58

Finding the Fourth Proportional to 1,977,793.20, 2,966,689.80 and 715,325.58

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Solution

The fourth proportional to 1,977,793.20, 2,966,689.80 and 715,325.58 is: 1,072,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,793.20 : 2,966,689.80 = 715,325.58 : x
  2. Step 2: Convert to fraction form
    1,977,793.20/2,966,689.80 = 715,325.58/x
  3. Step 3: Cross multiply
    1,977,793.20x = 2,966,689.80 × 715,325.58
  4. Step 4: Simplify right side
    1,977,793.20x = 2,122,149,101,865.08
  5. Step 5: Solve for x
    x = 2,122,149,101,865.08/1,977,793.20
  6. Step 6: Final answer
    x = 1,072,988.37

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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.