Home / 2,696,158.55-3,720,205.78-1,534,536.20

Finding the Fourth Proportional to 2,696,158.55, 3,720,205.78 and 1,534,536.20

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Solution

The fourth proportional to 2,696,158.55, 3,720,205.78 and 1,534,536.20 is: 2,117,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696,158.55 : 3,720,205.78 = 1,534,536.20 : x
  2. Step 2: Convert to fraction form
    2,696,158.55/3,720,205.78 = 1,534,536.20/x
  3. Step 3: Cross multiply
    2,696,158.55x = 3,720,205.78 × 1,534,536.20
  4. Step 4: Simplify right side
    2,696,158.55x = 5,708,790,418,421.87
  5. Step 5: Solve for x
    x = 5,708,790,418,421.87/2,696,158.55
  6. Step 6: Final answer
    x = 2,117,379.35

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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.