Home / 1,838,969.11-2,753,139.21-1,165,810.51

Finding the Fourth Proportional to 1,838,969.11, 2,753,139.21 and 1,165,810.51

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Solution

The fourth proportional to 1,838,969.11, 2,753,139.21 and 1,165,810.51 is: 1,745,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,969.11 : 2,753,139.21 = 1,165,810.51 : x
  2. Step 2: Convert to fraction form
    1,838,969.11/2,753,139.21 = 1,165,810.51/x
  3. Step 3: Cross multiply
    1,838,969.11x = 2,753,139.21 × 1,165,810.51
  4. Step 4: Simplify right side
    1,838,969.11x = 3,209,638,626,511.10
  5. Step 5: Solve for x
    x = 3,209,638,626,511.10/1,838,969.11
  6. Step 6: Final answer
    x = 1,745,346.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.