Home / 2,381,938.40-3,287,087.15-1,294,212.76

Finding the Fourth Proportional to 2,381,938.40, 3,287,087.15 and 1,294,212.76

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Solution

The fourth proportional to 2,381,938.40, 3,287,087.15 and 1,294,212.76 is: 1,786,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,938.40 : 3,287,087.15 = 1,294,212.76 : x
  2. Step 2: Convert to fraction form
    2,381,938.40/3,287,087.15 = 1,294,212.76/x
  3. Step 3: Cross multiply
    2,381,938.40x = 3,287,087.15 × 1,294,212.76
  4. Step 4: Simplify right side
    2,381,938.40x = 4,254,190,132,762.03
  5. Step 5: Solve for x
    x = 4,254,190,132,762.03/2,381,938.40
  6. Step 6: Final answer
    x = 1,786,020.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.