Home / 2,119,382.11-2,924,824.10-1,214,139.07

Finding the Fourth Proportional to 2,119,382.11, 2,924,824.10 and 1,214,139.07

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Solution

The fourth proportional to 2,119,382.11, 2,924,824.10 and 1,214,139.07 is: 1,675,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,382.11 : 2,924,824.10 = 1,214,139.07 : x
  2. Step 2: Convert to fraction form
    2,119,382.11/2,924,824.10 = 1,214,139.07/x
  3. Step 3: Cross multiply
    2,119,382.11x = 2,924,824.10 × 1,214,139.07
  4. Step 4: Simplify right side
    2,119,382.11x = 3,551,143,212,687.59
  5. Step 5: Solve for x
    x = 3,551,143,212,687.59/2,119,382.11
  6. Step 6: Final answer
    x = 1,675,555.91

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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.