Home / 2,750,476.34-4,125,742.96-831,403.46

Finding the Fourth Proportional to 2,750,476.34, 4,125,742.96 and 831,403.46

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Solution

The fourth proportional to 2,750,476.34, 4,125,742.96 and 831,403.46 is: 1,247,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750,476.34 : 4,125,742.96 = 831,403.46 : x
  2. Step 2: Convert to fraction form
    2,750,476.34/4,125,742.96 = 831,403.46/x
  3. Step 3: Cross multiply
    2,750,476.34x = 4,125,742.96 × 831,403.46
  4. Step 4: Simplify right side
    2,750,476.34x = 3,430,156,972,014.64
  5. Step 5: Solve for x
    x = 3,430,156,972,014.64/2,750,476.34
  6. Step 6: Final answer
    x = 1,247,113.79

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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.