Home / 3,620,628-5,431,641.36-1,376,591.52

Finding the Fourth Proportional to 3,620,628, 5,431,641.36 and 1,376,591.52

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Solution

The fourth proportional to 3,620,628, 5,431,641.36 and 1,376,591.52 is: 2,065,153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,628 : 5,431,641.36 = 1,376,591.52 : x
  2. Step 2: Convert to fraction form
    3,620,628/5,431,641.36 = 1,376,591.52/x
  3. Step 3: Cross multiply
    3,620,628x = 5,431,641.36 × 1,376,591.52
  4. Step 4: Simplify right side
    3,620,628x = 7,477,151,435,857.27
  5. Step 5: Solve for x
    x = 7,477,151,435,857.27/3,620,628
  6. Step 6: Final answer
    x = 2,065,153.18

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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.