Home / 2,021,330.70-3,031,996.05-1,345,219.65

Finding the Fourth Proportional to 2,021,330.70, 3,031,996.05 and 1,345,219.65

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Solution

The fourth proportional to 2,021,330.70, 3,031,996.05 and 1,345,219.65 is: 2,017,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,330.70 : 3,031,996.05 = 1,345,219.65 : x
  2. Step 2: Convert to fraction form
    2,021,330.70/3,031,996.05 = 1,345,219.65/x
  3. Step 3: Cross multiply
    2,021,330.70x = 3,031,996.05 × 1,345,219.65
  4. Step 4: Simplify right side
    2,021,330.70x = 4,078,700,665,182.38
  5. Step 5: Solve for x
    x = 4,078,700,665,182.38/2,021,330.70
  6. Step 6: Final answer
    x = 2,017,829.48

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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.