Home / 5,177,145.36-7,765,718.08-1,582,912.40

Finding the Fourth Proportional to 5,177,145.36, 7,765,718.08 and 1,582,912.40

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Solution

The fourth proportional to 5,177,145.36, 7,765,718.08 and 1,582,912.40 is: 2,374,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,145.36 : 7,765,718.08 = 1,582,912.40 : x
  2. Step 2: Convert to fraction form
    5,177,145.36/7,765,718.08 = 1,582,912.40/x
  3. Step 3: Cross multiply
    5,177,145.36x = 7,765,718.08 × 1,582,912.40
  4. Step 4: Simplify right side
    5,177,145.36x = 12,292,451,443,736.19
  5. Step 5: Solve for x
    x = 12,292,451,443,736.19/5,177,145.36
  6. Step 6: Final answer
    x = 2,374,368.61

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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.