Home / 5,389,396.64-7,435,600.88-3,840,902.16

Finding the Fourth Proportional to 5,389,396.64, 7,435,600.88 and 3,840,902.16

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Solution

The fourth proportional to 5,389,396.64, 7,435,600.88 and 3,840,902.16 is: 5,299,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,396.64 : 7,435,600.88 = 3,840,902.16 : x
  2. Step 2: Convert to fraction form
    5,389,396.64/7,435,600.88 = 3,840,902.16/x
  3. Step 3: Cross multiply
    5,389,396.64x = 7,435,600.88 × 3,840,902.16
  4. Step 4: Simplify right side
    5,389,396.64x = 28,559,415,480,889.90
  5. Step 5: Solve for x
    x = 28,559,415,480,889.90/5,389,396.64
  6. Step 6: Final answer
    x = 5,299,186.05

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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.