Home / 3,131,679.51-4,695,809.76-942,929.91

Finding the Fourth Proportional to 3,131,679.51, 4,695,809.76 and 942,929.91

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Solution

The fourth proportional to 3,131,679.51, 4,695,809.76 and 942,929.91 is: 1,413,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,679.51 : 4,695,809.76 = 942,929.91 : x
  2. Step 2: Convert to fraction form
    3,131,679.51/4,695,809.76 = 942,929.91/x
  3. Step 3: Cross multiply
    3,131,679.51x = 4,695,809.76 × 942,929.91
  4. Step 4: Simplify right side
    3,131,679.51x = 4,427,819,474,373.92
  5. Step 5: Solve for x
    x = 4,427,819,474,373.92/3,131,679.51
  6. Step 6: Final answer
    x = 1,413,880.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.