Home / 2,154,805.36-2,973,650.56-1,187,969.68

Finding the Fourth Proportional to 2,154,805.36, 2,973,650.56 and 1,187,969.68

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Solution

The fourth proportional to 2,154,805.36, 2,973,650.56 and 1,187,969.68 is: 1,639,408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,805.36 : 2,973,650.56 = 1,187,969.68 : x
  2. Step 2: Convert to fraction form
    2,154,805.36/2,973,650.56 = 1,187,969.68/x
  3. Step 3: Cross multiply
    2,154,805.36x = 2,973,650.56 × 1,187,969.68
  4. Step 4: Simplify right side
    2,154,805.36x = 3,532,606,704,195.02
  5. Step 5: Solve for x
    x = 3,532,606,704,195.02/2,154,805.36
  6. Step 6: Final answer
    x = 1,639,408.72

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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.