Home / 1,853,947.35-2,780,921.03-1,455,816.15

Finding the Fourth Proportional to 1,853,947.35, 2,780,921.03 and 1,455,816.15

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Solution

The fourth proportional to 1,853,947.35, 2,780,921.03 and 1,455,816.15 is: 2,183,724.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,947.35 : 2,780,921.03 = 1,455,816.15 : x
  2. Step 2: Convert to fraction form
    1,853,947.35/2,780,921.03 = 1,455,816.15/x
  3. Step 3: Cross multiply
    1,853,947.35x = 2,780,921.03 × 1,455,816.15
  4. Step 4: Simplify right side
    1,853,947.35x = 4,048,509,740,069.55
  5. Step 5: Solve for x
    x = 4,048,509,740,069.55/1,853,947.35
  6. Step 6: Final answer
    x = 2,183,724.23

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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.