Home / 2,118,567.20-2,923,641.78-1,151,699.36

Finding the Fourth Proportional to 2,118,567.20, 2,923,641.78 and 1,151,699.36

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Solution

The fourth proportional to 2,118,567.20, 2,923,641.78 and 1,151,699.36 is: 1,589,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,567.20 : 2,923,641.78 = 1,151,699.36 : x
  2. Step 2: Convert to fraction form
    2,118,567.20/2,923,641.78 = 1,151,699.36/x
  3. Step 3: Cross multiply
    2,118,567.20x = 2,923,641.78 × 1,151,699.36
  4. Step 4: Simplify right side
    2,118,567.20x = 3,367,156,366,895.26
  5. Step 5: Solve for x
    x = 3,367,156,366,895.26/2,118,567.20
  6. Step 6: Final answer
    x = 1,589,355.47

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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.