Home / 2,154,574.22-2,973,333.13-1,187,739.11

Finding the Fourth Proportional to 2,154,574.22, 2,973,333.13 and 1,187,739.11

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Solution

The fourth proportional to 2,154,574.22, 2,973,333.13 and 1,187,739.11 is: 1,639,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,574.22 : 2,973,333.13 = 1,187,739.11 : x
  2. Step 2: Convert to fraction form
    2,154,574.22/2,973,333.13 = 1,187,739.11/x
  3. Step 3: Cross multiply
    2,154,574.22x = 2,973,333.13 × 1,187,739.11
  4. Step 4: Simplify right side
    2,154,574.22x = 3,531,544,050,023.70
  5. Step 5: Solve for x
    x = 3,531,544,050,023.70/2,154,574.22
  6. Step 6: Final answer
    x = 1,639,091.39

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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.