Home / 2,154,419.03-2,973,097.53-1,187,565.47

Finding the Fourth Proportional to 2,154,419.03, 2,973,097.53 and 1,187,565.47

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Solution

The fourth proportional to 2,154,419.03, 2,973,097.53 and 1,187,565.47 is: 1,638,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,419.03 : 2,973,097.53 = 1,187,565.47 : x
  2. Step 2: Convert to fraction form
    2,154,419.03/2,973,097.53 = 1,187,565.47/x
  3. Step 3: Cross multiply
    2,154,419.03x = 2,973,097.53 × 1,187,565.47
  4. Step 4: Simplify right side
    2,154,419.03x = 3,530,747,950,704.80
  5. Step 5: Solve for x
    x = 3,530,747,950,704.80/2,154,419.03
  6. Step 6: Final answer
    x = 1,638,839.94

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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.