Home / 4,815,031.68-7,220,283.84-1,780,300.80

Finding the Fourth Proportional to 4,815,031.68, 7,220,283.84 and 1,780,300.80

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Solution

The fourth proportional to 4,815,031.68, 7,220,283.84 and 1,780,300.80 is: 2,669,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,031.68 : 7,220,283.84 = 1,780,300.80 : x
  2. Step 2: Convert to fraction form
    4,815,031.68/7,220,283.84 = 1,780,300.80/x
  3. Step 3: Cross multiply
    4,815,031.68x = 7,220,283.84 × 1,780,300.80
  4. Step 4: Simplify right side
    4,815,031.68x = 12,854,277,096,579.07
  5. Step 5: Solve for x
    x = 12,854,277,096,579.07/4,815,031.68
  6. Step 6: Final answer
    x = 2,669,614.23

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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.