Home / 2,154,575.22-2,973,334.51-1,187,740.11

Finding the Fourth Proportional to 2,154,575.22, 2,973,334.51 and 1,187,740.11

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Solution

The fourth proportional to 2,154,575.22, 2,973,334.51 and 1,187,740.11 is: 1,639,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,575.22 : 2,973,334.51 = 1,187,740.11 : x
  2. Step 2: Convert to fraction form
    2,154,575.22/2,973,334.51 = 1,187,740.11/x
  3. Step 3: Cross multiply
    2,154,575.22x = 2,973,334.51 × 1,187,740.11
  4. Step 4: Simplify right side
    2,154,575.22x = 3,531,548,657,974.20
  5. Step 5: Solve for x
    x = 3,531,548,657,974.20/2,154,575.22
  6. Step 6: Final answer
    x = 1,639,092.77

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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.