Home / 3,866,535.86-5,335,821.54-2,124,317.55

Finding the Fourth Proportional to 3,866,535.86, 5,335,821.54 and 2,124,317.55

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Solution

The fourth proportional to 3,866,535.86, 5,335,821.54 and 2,124,317.55 is: 2,931,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866,535.86 : 5,335,821.54 = 2,124,317.55 : x
  2. Step 2: Convert to fraction form
    3,866,535.86/5,335,821.54 = 2,124,317.55/x
  3. Step 3: Cross multiply
    3,866,535.86x = 5,335,821.54 × 2,124,317.55
  4. Step 4: Simplify right side
    3,866,535.86x = 11,334,979,330,468.44
  5. Step 5: Solve for x
    x = 11,334,979,330,468.44/3,866,535.86
  6. Step 6: Final answer
    x = 2,931,559.35

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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.