Home / 3,171,599.07-4,376,839.42-1,721,307.03

Finding the Fourth Proportional to 3,171,599.07, 4,376,839.42 and 1,721,307.03

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Solution

The fourth proportional to 3,171,599.07, 4,376,839.42 and 1,721,307.03 is: 2,375,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,599.07 : 4,376,839.42 = 1,721,307.03 : x
  2. Step 2: Convert to fraction form
    3,171,599.07/4,376,839.42 = 1,721,307.03/x
  3. Step 3: Cross multiply
    3,171,599.07x = 4,376,839.42 × 1,721,307.03
  4. Step 4: Simplify right side
    3,171,599.07x = 7,533,884,462,827.12
  5. Step 5: Solve for x
    x = 7,533,884,462,827.12/3,171,599.07
  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.