Home / 2,816,505.30-3,886,778.34-1,527,345.36

Finding the Fourth Proportional to 2,816,505.30, 3,886,778.34 and 1,527,345.36

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Solution

The fourth proportional to 2,816,505.30, 3,886,778.34 and 1,527,345.36 is: 2,107,737.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,505.30 : 3,886,778.34 = 1,527,345.36 : x
  2. Step 2: Convert to fraction form
    2,816,505.30/3,886,778.34 = 1,527,345.36/x
  3. Step 3: Cross multiply
    2,816,505.30x = 3,886,778.34 × 1,527,345.36
  4. Step 4: Simplify right side
    2,816,505.30x = 5,936,452,862,947.50
  5. Step 5: Solve for x
    x = 5,936,452,862,947.50/2,816,505.30
  6. Step 6: Final answer
    x = 2,107,737.15

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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.