Home / 2,480,720.78-3,720,416.97-683,177.06

Finding the Fourth Proportional to 2,480,720.78, 3,720,416.97 and 683,177.06

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Solution

The fourth proportional to 2,480,720.78, 3,720,416.97 and 683,177.06 is: 1,024,582.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480,720.78 : 3,720,416.97 = 683,177.06 : x
  2. Step 2: Convert to fraction form
    2,480,720.78/3,720,416.97 = 683,177.06/x
  3. Step 3: Cross multiply
    2,480,720.78x = 3,720,416.97 × 683,177.06
  4. Step 4: Simplify right side
    2,480,720.78x = 2,541,703,527,538.71
  5. Step 5: Solve for x
    x = 2,541,703,527,538.71/2,480,720.78
  6. Step 6: Final answer
    x = 1,024,582.67

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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.