Home / 2,315,487.40-3,473,231.10-819,730.60

Finding the Fourth Proportional to 2,315,487.40, 3,473,231.10 and 819,730.60

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Solution

The fourth proportional to 2,315,487.40, 3,473,231.10 and 819,730.60 is: 1,229,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,487.40 : 3,473,231.10 = 819,730.60 : x
  2. Step 2: Convert to fraction form
    2,315,487.40/3,473,231.10 = 819,730.60/x
  3. Step 3: Cross multiply
    2,315,487.40x = 3,473,231.10 × 819,730.60
  4. Step 4: Simplify right side
    2,315,487.40x = 2,847,113,813,541.66
  5. Step 5: Solve for x
    x = 2,847,113,813,541.66/2,315,487.40
  6. Step 6: Final answer
    x = 1,229,595.90

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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.