Home / 4,220,005.80-6,329,345.95-1,340,993.57

Finding the Fourth Proportional to 4,220,005.80, 6,329,345.95 and 1,340,993.57

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Solution

The fourth proportional to 4,220,005.80, 6,329,345.95 and 1,340,993.57 is: 2,011,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220,005.80 : 6,329,345.95 = 1,340,993.57 : x
  2. Step 2: Convert to fraction form
    4,220,005.80/6,329,345.95 = 1,340,993.57/x
  3. Step 3: Cross multiply
    4,220,005.80x = 6,329,345.95 × 1,340,993.57
  4. Step 4: Simplify right side
    4,220,005.80x = 8,487,612,214,550.57
  5. Step 5: Solve for x
    x = 8,487,612,214,550.57/4,220,005.80
  6. Step 6: Final answer
    x = 2,011,279.75

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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.