Home / 3,171,622.23-4,376,842.02-1,721,318.58

Finding the Fourth Proportional to 3,171,622.23, 4,376,842.02 and 1,721,318.58

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Solution

The fourth proportional to 3,171,622.23, 4,376,842.02 and 1,721,318.58 is: 2,375,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,622.23 : 4,376,842.02 = 1,721,318.58 : x
  2. Step 2: Convert to fraction form
    3,171,622.23/4,376,842.02 = 1,721,318.58/x
  3. Step 3: Cross multiply
    3,171,622.23x = 4,376,842.02 × 1,721,318.58
  4. Step 4: Simplify right side
    3,171,622.23x = 7,533,939,490,750.73
  5. Step 5: Solve for x
    x = 7,533,939,490,750.73/3,171,622.23
  6. Step 6: Final answer
    x = 2,375,421.45

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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.