Home / 2,160,407.96-2,981,271.66-1,242,567.80

Finding the Fourth Proportional to 2,160,407.96, 2,981,271.66 and 1,242,567.80

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Solution

The fourth proportional to 2,160,407.96, 2,981,271.66 and 1,242,567.80 is: 1,714,691.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,407.96 : 2,981,271.66 = 1,242,567.80 : x
  2. Step 2: Convert to fraction form
    2,160,407.96/2,981,271.66 = 1,242,567.80/x
  3. Step 3: Cross multiply
    2,160,407.96x = 2,981,271.66 × 1,242,567.80
  4. Step 4: Simplify right side
    2,160,407.96x = 3,704,432,167,768.55
  5. Step 5: Solve for x
    x = 3,704,432,167,768.55/2,160,407.96
  6. Step 6: Final answer
    x = 1,714,691.04

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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.