Home / 3,619,928.16-4,996,370.90-2,072,087.12

Finding the Fourth Proportional to 3,619,928.16, 4,996,370.90 and 2,072,087.12

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Solution

The fourth proportional to 3,619,928.16, 4,996,370.90 and 2,072,087.12 is: 2,859,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,928.16 : 4,996,370.90 = 2,072,087.12 : x
  2. Step 2: Convert to fraction form
    3,619,928.16/4,996,370.90 = 2,072,087.12/x
  3. Step 3: Cross multiply
    3,619,928.16x = 4,996,370.90 × 2,072,087.12
  4. Step 4: Simplify right side
    3,619,928.16x = 10,352,915,788,632.81
  5. Step 5: Solve for x
    x = 10,352,915,788,632.81/3,619,928.16
  6. Step 6: Final answer
    x = 2,859,978.25

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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.