Home / 3,758,894.12-5,638,341.18-918,972.56

Finding the Fourth Proportional to 3,758,894.12, 5,638,341.18 and 918,972.56

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Solution

The fourth proportional to 3,758,894.12, 5,638,341.18 and 918,972.56 is: 1,378,458.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758,894.12 : 5,638,341.18 = 918,972.56 : x
  2. Step 2: Convert to fraction form
    3,758,894.12/5,638,341.18 = 918,972.56/x
  3. Step 3: Cross multiply
    3,758,894.12x = 5,638,341.18 × 918,972.56
  4. Step 4: Simplify right side
    3,758,894.12x = 5,181,480,828,338.02
  5. Step 5: Solve for x
    x = 5,181,480,828,338.02/3,758,894.12
  6. Step 6: Final answer
    x = 1,378,458.84

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