Home / 2,154,750.26-2,973,574.60-1,187,914.61

Finding the Fourth Proportional to 2,154,750.26, 2,973,574.60 and 1,187,914.61

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Solution

The fourth proportional to 2,154,750.26, 2,973,574.60 and 1,187,914.61 is: 1,639,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,750.26 : 2,973,574.60 = 1,187,914.61 : x
  2. Step 2: Convert to fraction form
    2,154,750.26/2,973,574.60 = 1,187,914.61/x
  3. Step 3: Cross multiply
    2,154,750.26x = 2,973,574.60 × 1,187,914.61
  4. Step 4: Simplify right side
    2,154,750.26x = 3,532,352,715,729.06
  5. Step 5: Solve for x
    x = 3,532,352,715,729.06/2,154,750.26
  6. Step 6: Final answer
    x = 1,639,332.78

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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.