Home / 2,996,220.72-4,134,857.76-1,818,833.52

Finding the Fourth Proportional to 2,996,220.72, 4,134,857.76 and 1,818,833.52

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Solution

The fourth proportional to 2,996,220.72, 4,134,857.76 and 1,818,833.52 is: 2,510,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996,220.72 : 4,134,857.76 = 1,818,833.52 : x
  2. Step 2: Convert to fraction form
    2,996,220.72/4,134,857.76 = 1,818,833.52/x
  3. Step 3: Cross multiply
    2,996,220.72x = 4,134,857.76 × 1,818,833.52
  4. Step 4: Simplify right side
    2,996,220.72x = 7,520,617,894,320.12
  5. Step 5: Solve for x
    x = 7,520,617,894,320.12/2,996,220.72
  6. Step 6: Final answer
    x = 2,510,034.67

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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.