Home / 2,156,683.11-2,976,232.58-1,189,813.04

Finding the Fourth Proportional to 2,156,683.11, 2,976,232.58 and 1,189,813.04

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Solution

The fourth proportional to 2,156,683.11, 2,976,232.58 and 1,189,813.04 is: 1,641,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,683.11 : 2,976,232.58 = 1,189,813.04 : x
  2. Step 2: Convert to fraction form
    2,156,683.11/2,976,232.58 = 1,189,813.04/x
  3. Step 3: Cross multiply
    2,156,683.11x = 2,976,232.58 × 1,189,813.04
  4. Step 4: Simplify right side
    2,156,683.11x = 3,541,160,333,756.84
  5. Step 5: Solve for x
    x = 3,541,160,333,756.84/2,156,683.11
  6. Step 6: Final answer
    x = 1,641,947.45

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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.