Home / 2,757,698.60-4,138,880.70-1,243,711.40

Finding the Fourth Proportional to 2,757,698.60, 4,138,880.70 and 1,243,711.40

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Solution

The fourth proportional to 2,757,698.60, 4,138,880.70 and 1,243,711.40 is: 1,866,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757,698.60 : 4,138,880.70 = 1,243,711.40 : x
  2. Step 2: Convert to fraction form
    2,757,698.60/4,138,880.70 = 1,243,711.40/x
  3. Step 3: Cross multiply
    2,757,698.60x = 4,138,880.70 × 1,243,711.40
  4. Step 4: Simplify right side
    2,757,698.60x = 5,147,573,109,829.98
  5. Step 5: Solve for x
    x = 5,147,573,109,829.98/2,757,698.60
  6. Step 6: Final answer
    x = 1,866,619.18

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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.