Home / 3,940,032.40-5,438,090.04-2,488,804.72

Finding the Fourth Proportional to 3,940,032.40, 5,438,090.04 and 2,488,804.72

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Solution

The fourth proportional to 3,940,032.40, 5,438,090.04 and 2,488,804.72 is: 3,435,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,032.40 : 5,438,090.04 = 2,488,804.72 : x
  2. Step 2: Convert to fraction form
    3,940,032.40/5,438,090.04 = 2,488,804.72/x
  3. Step 3: Cross multiply
    3,940,032.40x = 5,438,090.04 × 2,488,804.72
  4. Step 4: Simplify right side
    3,940,032.40x = 13,534,344,159,336.99
  5. Step 5: Solve for x
    x = 13,534,344,159,336.99/3,940,032.40
  6. Step 6: Final answer
    x = 3,435,084.48

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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.