Home / 1,980,632.12-2,971,149.53-683,615.70

Finding the Fourth Proportional to 1,980,632.12, 2,971,149.53 and 683,615.70

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Solution

The fourth proportional to 1,980,632.12, 2,971,149.53 and 683,615.70 is: 1,025,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,632.12 : 2,971,149.53 = 683,615.70 : x
  2. Step 2: Convert to fraction form
    1,980,632.12/2,971,149.53 = 683,615.70/x
  3. Step 3: Cross multiply
    1,980,632.12x = 2,971,149.53 × 683,615.70
  4. Step 4: Simplify right side
    1,980,632.12x = 2,031,124,462,337.54
  5. Step 5: Solve for x
    x = 2,031,124,462,337.54/1,980,632.12
  6. Step 6: Final answer
    x = 1,025,493.05

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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.