Home / 1,818,117.10-2,730,128.10-1,221,722.20

Finding the Fourth Proportional to 1,818,117.10, 2,730,128.10 and 1,221,722.20

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Solution

The fourth proportional to 1,818,117.10, 2,730,128.10 and 1,221,722.20 is: 1,834,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,117.10 : 2,730,128.10 = 1,221,722.20 : x
  2. Step 2: Convert to fraction form
    1,818,117.10/2,730,128.10 = 1,221,722.20/x
  3. Step 3: Cross multiply
    1,818,117.10x = 2,730,128.10 × 1,221,722.20
  4. Step 4: Simplify right side
    1,818,117.10x = 3,335,458,108,613.82
  5. Step 5: Solve for x
    x = 3,335,458,108,613.82/1,818,117.10
  6. Step 6: Final answer
    x = 1,834,567.26

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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.