Home / 3,171,541.59-4,376,729.57-1,721,236.59

Finding the Fourth Proportional to 3,171,541.59, 4,376,729.57 and 1,721,236.59

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Solution

The fourth proportional to 3,171,541.59, 4,376,729.57 and 1,721,236.59 is: 2,375,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,541.59 : 4,376,729.57 = 1,721,236.59 : x
  2. Step 2: Convert to fraction form
    3,171,541.59/4,376,729.57 = 1,721,236.59/x
  3. Step 3: Cross multiply
    3,171,541.59x = 4,376,729.57 × 1,721,236.59
  4. Step 4: Simplify right side
    3,171,541.59x = 7,533,387,071,812.78
  5. Step 5: Solve for x
    x = 7,533,387,071,812.78/3,171,541.59
  6. Step 6: Final answer
    x = 2,375,307.67

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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.