Home / 6,442,756.34-8,891,021.49-3,542,443.70

Finding the Fourth Proportional to 6,442,756.34, 8,891,021.49 and 3,542,443.70

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Solution

The fourth proportional to 6,442,756.34, 8,891,021.49 and 3,542,443.70 is: 4,888,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,756.34 : 8,891,021.49 = 3,542,443.70 : x
  2. Step 2: Convert to fraction form
    6,442,756.34/8,891,021.49 = 3,542,443.70/x
  3. Step 3: Cross multiply
    6,442,756.34x = 8,891,021.49 × 3,542,443.70
  4. Step 4: Simplify right side
    6,442,756.34x = 31,495,943,063,815.12
  5. Step 5: Solve for x
    x = 31,495,943,063,815.12/6,442,756.34
  6. Step 6: Final answer
    x = 4,888,582.06

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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.