Home / 2,639,310.30-3,960,955.77-1,931,165.34

Finding the Fourth Proportional to 2,639,310.30, 3,960,955.77 and 1,931,165.34

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Solution

The fourth proportional to 2,639,310.30, 3,960,955.77 and 1,931,165.34 is: 2,898,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,310.30 : 3,960,955.77 = 1,931,165.34 : x
  2. Step 2: Convert to fraction form
    2,639,310.30/3,960,955.77 = 1,931,165.34/x
  3. Step 3: Cross multiply
    2,639,310.30x = 3,960,955.77 × 1,931,165.34
  4. Step 4: Simplify right side
    2,639,310.30x = 7,649,260,496,297.01
  5. Step 5: Solve for x
    x = 7,649,260,496,297.01/2,639,310.30
  6. Step 6: Final answer
    x = 2,898,204.31

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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.