Home / 2,153,868.28-2,972,338.27-1,186,998.57

Finding the Fourth Proportional to 2,153,868.28, 2,972,338.27 and 1,186,998.57

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Solution

The fourth proportional to 2,153,868.28, 2,972,338.27 and 1,186,998.57 is: 1,638,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,868.28 : 2,972,338.27 = 1,186,998.57 : x
  2. Step 2: Convert to fraction form
    2,153,868.28/2,972,338.27 = 1,186,998.57/x
  3. Step 3: Cross multiply
    2,153,868.28x = 2,972,338.27 × 1,186,998.57
  4. Step 4: Simplify right side
    2,153,868.28x = 3,528,161,255,249.59
  5. Step 5: Solve for x
    x = 3,528,161,255,249.59/2,153,868.28
  6. Step 6: Final answer
    x = 1,638,058.04

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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.