Home / 2,105,977.90-3,157,029.30-1,145,029.24

Finding the Fourth Proportional to 2,105,977.90, 3,157,029.30 and 1,145,029.24

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Solution

The fourth proportional to 2,105,977.90, 3,157,029.30 and 1,145,029.24 is: 1,716,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,977.90 : 3,157,029.30 = 1,145,029.24 : x
  2. Step 2: Convert to fraction form
    2,105,977.90/3,157,029.30 = 1,145,029.24/x
  3. Step 3: Cross multiply
    2,105,977.90x = 3,157,029.30 × 1,145,029.24
  4. Step 4: Simplify right side
    2,105,977.90x = 3,614,890,847,114.16
  5. Step 5: Solve for x
    x = 3,614,890,847,114.16/2,105,977.90
  6. Step 6: Final answer
    x = 1,716,490.40

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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.