Home / 3,120,595.70-4,306,479.09-1,762,214.90

Finding the Fourth Proportional to 3,120,595.70, 4,306,479.09 and 1,762,214.90

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Solution

The fourth proportional to 3,120,595.70, 4,306,479.09 and 1,762,214.90 is: 2,431,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,595.70 : 4,306,479.09 = 1,762,214.90 : x
  2. Step 2: Convert to fraction form
    3,120,595.70/4,306,479.09 = 1,762,214.90/x
  3. Step 3: Cross multiply
    3,120,595.70x = 4,306,479.09 × 1,762,214.90
  4. Step 4: Simplify right side
    3,120,595.70x = 7,588,941,618,936.44
  5. Step 5: Solve for x
    x = 7,588,941,618,936.44/3,120,595.70
  6. Step 6: Final answer
    x = 2,431,888.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.