Home / 2,114,479.40-2,917,983.15-1,147,609.43

Finding the Fourth Proportional to 2,114,479.40, 2,917,983.15 and 1,147,609.43

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Solution

The fourth proportional to 2,114,479.40, 2,917,983.15 and 1,147,609.43 is: 1,583,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,479.40 : 2,917,983.15 = 1,147,609.43 : x
  2. Step 2: Convert to fraction form
    2,114,479.40/2,917,983.15 = 1,147,609.43/x
  3. Step 3: Cross multiply
    2,114,479.40x = 2,917,983.15 × 1,147,609.43
  4. Step 4: Simplify right side
    2,114,479.40x = 3,348,704,975,135.65
  5. Step 5: Solve for x
    x = 3,348,704,975,135.65/2,114,479.40
  6. Step 6: Final answer
    x = 1,583,701.87

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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.