Home / 2,847,350.40-3,928,735.89-1,686,161.40

Finding the Fourth Proportional to 2,847,350.40, 3,928,735.89 and 1,686,161.40

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Solution

The fourth proportional to 2,847,350.40, 3,928,735.89 and 1,686,161.40 is: 2,326,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,350.40 : 3,928,735.89 = 1,686,161.40 : x
  2. Step 2: Convert to fraction form
    2,847,350.40/3,928,735.89 = 1,686,161.40/x
  3. Step 3: Cross multiply
    2,847,350.40x = 3,928,735.89 × 1,686,161.40
  4. Step 4: Simplify right side
    2,847,350.40x = 6,624,482,808,512.65
  5. Step 5: Solve for x
    x = 6,624,482,808,512.65/2,847,350.40
  6. Step 6: Final answer
    x = 2,326,542.88

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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.