Home / 5,186,710.56-7,774,745.04-1,990,976.16

Finding the Fourth Proportional to 5,186,710.56, 7,774,745.04 and 1,990,976.16

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Solution

The fourth proportional to 5,186,710.56, 7,774,745.04 and 1,990,976.16 is: 2,984,421.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,710.56 : 7,774,745.04 = 1,990,976.16 : x
  2. Step 2: Convert to fraction form
    5,186,710.56/7,774,745.04 = 1,990,976.16/x
  3. Step 3: Cross multiply
    5,186,710.56x = 7,774,745.04 × 1,990,976.16
  4. Step 4: Simplify right side
    5,186,710.56x = 15,479,332,024,718.25
  5. Step 5: Solve for x
    x = 15,479,332,024,718.25/5,186,710.56
  6. Step 6: Final answer
    x = 2,984,421.79

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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.