Home / 2,011,542.80-3,017,314.20-1,918,230.80

Finding the Fourth Proportional to 2,011,542.80, 3,017,314.20 and 1,918,230.80

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Solution

The fourth proportional to 2,011,542.80, 3,017,314.20 and 1,918,230.80 is: 2,877,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,542.80 : 3,017,314.20 = 1,918,230.80 : x
  2. Step 2: Convert to fraction form
    2,011,542.80/3,017,314.20 = 1,918,230.80/x
  3. Step 3: Cross multiply
    2,011,542.80x = 3,017,314.20 × 1,918,230.80
  4. Step 4: Simplify right side
    2,011,542.80x = 5,787,905,031,717.36
  5. Step 5: Solve for x
    x = 5,787,905,031,717.36/2,011,542.80
  6. Step 6: Final answer
    x = 2,877,346.20

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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.