Home / 2,695,247.40-4,042,871.10-1,986,659.40

Finding the Fourth Proportional to 2,695,247.40, 4,042,871.10 and 1,986,659.40

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Solution

The fourth proportional to 2,695,247.40, 4,042,871.10 and 1,986,659.40 is: 2,979,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695,247.40 : 4,042,871.10 = 1,986,659.40 : x
  2. Step 2: Convert to fraction form
    2,695,247.40/4,042,871.10 = 1,986,659.40/x
  3. Step 3: Cross multiply
    2,695,247.40x = 4,042,871.10 × 1,986,659.40
  4. Step 4: Simplify right side
    2,695,247.40x = 8,031,807,873,803.34
  5. Step 5: Solve for x
    x = 8,031,807,873,803.34/2,695,247.40
  6. Step 6: Final answer
    x = 2,979,989.10

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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.