Home / 2,161,977.86-2,983,485.48-1,195,148.90

Finding the Fourth Proportional to 2,161,977.86, 2,983,485.48 and 1,195,148.90

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Solution

The fourth proportional to 2,161,977.86, 2,983,485.48 and 1,195,148.90 is: 1,649,281.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,977.86 : 2,983,485.48 = 1,195,148.90 : x
  2. Step 2: Convert to fraction form
    2,161,977.86/2,983,485.48 = 1,195,148.90/x
  3. Step 3: Cross multiply
    2,161,977.86x = 2,983,485.48 × 1,195,148.90
  4. Step 4: Simplify right side
    2,161,977.86x = 3,565,709,389,587.97
  5. Step 5: Solve for x
    x = 3,565,709,389,587.97/2,161,977.86
  6. Step 6: Final answer
    x = 1,649,281.18

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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.