Home / 2,030,287.72-2,801,797.02-1,214,525.78

Finding the Fourth Proportional to 2,030,287.72, 2,801,797.02 and 1,214,525.78

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Solution

The fourth proportional to 2,030,287.72, 2,801,797.02 and 1,214,525.78 is: 1,676,045.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030,287.72 : 2,801,797.02 = 1,214,525.78 : x
  2. Step 2: Convert to fraction form
    2,030,287.72/2,801,797.02 = 1,214,525.78/x
  3. Step 3: Cross multiply
    2,030,287.72x = 2,801,797.02 × 1,214,525.78
  4. Step 4: Simplify right side
    2,030,287.72x = 3,402,854,711,117.18
  5. Step 5: Solve for x
    x = 3,402,854,711,117.18/2,030,287.72
  6. Step 6: Final answer
    x = 1,676,045.56

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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.