Home / 3,014,020.80-4,521,031.20-770,158.80

Finding the Fourth Proportional to 3,014,020.80, 4,521,031.20 and 770,158.80

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Solution

The fourth proportional to 3,014,020.80, 4,521,031.20 and 770,158.80 is: 1,155,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014,020.80 : 4,521,031.20 = 770,158.80 : x
  2. Step 2: Convert to fraction form
    3,014,020.80/4,521,031.20 = 770,158.80/x
  3. Step 3: Cross multiply
    3,014,020.80x = 4,521,031.20 × 770,158.80
  4. Step 4: Simplify right side
    3,014,020.80x = 3,481,911,963,754.56
  5. Step 5: Solve for x
    x = 3,481,911,963,754.56/3,014,020.80
  6. Step 6: Final answer
    x = 1,155,238.20

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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.