Home / 5,115,718.64-7,058,015.12-3,645,858.72

Finding the Fourth Proportional to 5,115,718.64, 7,058,015.12 and 3,645,858.72

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Solution

The fourth proportional to 5,115,718.64, 7,058,015.12 and 3,645,858.72 is: 5,030,090.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,718.64 : 7,058,015.12 = 3,645,858.72 : x
  2. Step 2: Convert to fraction form
    5,115,718.64/7,058,015.12 = 3,645,858.72/x
  3. Step 3: Cross multiply
    5,115,718.64x = 7,058,015.12 × 3,645,858.72
  4. Step 4: Simplify right side
    5,115,718.64x = 25,732,525,971,143.85
  5. Step 5: Solve for x
    x = 25,732,525,971,143.85/5,115,718.64
  6. Step 6: Final answer
    x = 5,030,090.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.