Home / 2,170,221.18-2,994,941.16-1,203,392.22

Finding the Fourth Proportional to 2,170,221.18, 2,994,941.16 and 1,203,392.22

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Solution

The fourth proportional to 2,170,221.18, 2,994,941.16 and 1,203,392.22 is: 1,660,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,221.18 : 2,994,941.16 = 1,203,392.22 : x
  2. Step 2: Convert to fraction form
    2,170,221.18/2,994,941.16 = 1,203,392.22/x
  3. Step 3: Cross multiply
    2,170,221.18x = 2,994,941.16 × 1,203,392.22
  4. Step 4: Simplify right side
    2,170,221.18x = 3,604,088,891,301.78
  5. Step 5: Solve for x
    x = 3,604,088,891,301.78/2,170,221.18
  6. Step 6: Final answer
    x = 1,660,701.19

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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.