Home / 5,159,428.74-7,107,704.10-3,607,788.69

Finding the Fourth Proportional to 5,159,428.74, 7,107,704.10 and 3,607,788.69

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Solution

The fourth proportional to 5,159,428.74, 7,107,704.10 and 3,607,788.69 is: 4,970,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159,428.74 : 7,107,704.10 = 3,607,788.69 : x
  2. Step 2: Convert to fraction form
    5,159,428.74/7,107,704.10 = 3,607,788.69/x
  3. Step 3: Cross multiply
    5,159,428.74x = 7,107,704.10 × 3,607,788.69
  4. Step 4: Simplify right side
    5,159,428.74x = 25,643,094,463,846.63
  5. Step 5: Solve for x
    x = 25,643,094,463,846.63/5,159,428.74
  6. Step 6: Final answer
    x = 4,970,142.19

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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.