Home / 2,154,771.55-2,973,607.65-1,187,936.43

Finding the Fourth Proportional to 2,154,771.55, 2,973,607.65 and 1,187,936.43

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Solution

The fourth proportional to 2,154,771.55, 2,973,607.65 and 1,187,936.43 is: 1,639,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,771.55 : 2,973,607.65 = 1,187,936.43 : x
  2. Step 2: Convert to fraction form
    2,154,771.55/2,973,607.65 = 1,187,936.43/x
  3. Step 3: Cross multiply
    2,154,771.55x = 2,973,607.65 × 1,187,936.43
  4. Step 4: Simplify right side
    2,154,771.55x = 3,532,456,855,961.69
  5. Step 5: Solve for x
    x = 3,532,456,855,961.69/2,154,771.55
  6. Step 6: Final answer
    x = 1,639,364.90

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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.