Home / 5,384,689.80-8,077,034.70-1,972,969.80

Finding the Fourth Proportional to 5,384,689.80, 8,077,034.70 and 1,972,969.80

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Solution

The fourth proportional to 5,384,689.80, 8,077,034.70 and 1,972,969.80 is: 2,959,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,689.80 : 8,077,034.70 = 1,972,969.80 : x
  2. Step 2: Convert to fraction form
    5,384,689.80/8,077,034.70 = 1,972,969.80/x
  3. Step 3: Cross multiply
    5,384,689.80x = 8,077,034.70 × 1,972,969.80
  4. Step 4: Simplify right side
    5,384,689.80x = 15,935,745,536,652.06
  5. Step 5: Solve for x
    x = 15,935,745,536,652.06/5,384,689.80
  6. Step 6: Final answer
    x = 2,959,454.70

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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.