Home / 4,220,000.55-6,329,338.07-1,340,988.32

Finding the Fourth Proportional to 4,220,000.55, 6,329,338.07 and 1,340,988.32

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Solution

The fourth proportional to 4,220,000.55, 6,329,338.07 and 1,340,988.32 is: 2,011,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220,000.55 : 6,329,338.07 = 1,340,988.32 : x
  2. Step 2: Convert to fraction form
    4,220,000.55/6,329,338.07 = 1,340,988.32/x
  3. Step 3: Cross multiply
    4,220,000.55x = 6,329,338.07 × 1,340,988.32
  4. Step 4: Simplify right side
    4,220,000.55x = 8,487,568,425,201.34
  5. Step 5: Solve for x
    x = 8,487,568,425,201.34/4,220,000.55
  6. Step 6: Final answer
    x = 2,011,271.88

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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.