Home / 5,421,397.44-8,130,021.12-1,826,198.40

Finding the Fourth Proportional to 5,421,397.44, 8,130,021.12 and 1,826,198.40

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Solution

The fourth proportional to 5,421,397.44, 8,130,021.12 and 1,826,198.40 is: 2,738,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,397.44 : 8,130,021.12 = 1,826,198.40 : x
  2. Step 2: Convert to fraction form
    5,421,397.44/8,130,021.12 = 1,826,198.40/x
  3. Step 3: Cross multiply
    5,421,397.44x = 8,130,021.12 × 1,826,198.40
  4. Step 4: Simplify right side
    5,421,397.44x = 14,847,031,561,310.21
  5. Step 5: Solve for x
    x = 14,847,031,561,310.21/5,421,397.44
  6. Step 6: Final answer
    x = 2,738,598.62

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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.