Home / 2,135,985.95-2,947,655.69-1,169,107.78

Finding the Fourth Proportional to 2,135,985.95, 2,947,655.69 and 1,169,107.78

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Solution

The fourth proportional to 2,135,985.95, 2,947,655.69 and 1,169,107.78 is: 1,613,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,985.95 : 2,947,655.69 = 1,169,107.78 : x
  2. Step 2: Convert to fraction form
    2,135,985.95/2,947,655.69 = 1,169,107.78/x
  3. Step 3: Cross multiply
    2,135,985.95x = 2,947,655.69 × 1,169,107.78
  4. Step 4: Simplify right side
    2,135,985.95x = 3,446,127,193,348.48
  5. Step 5: Solve for x
    x = 3,446,127,193,348.48/2,135,985.95
  6. Step 6: Final answer
    x = 1,613,366.04

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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.