Home / 5,218,186.56-7,201,438.02-3,013,142.40

Finding the Fourth Proportional to 5,218,186.56, 7,201,438.02 and 3,013,142.40

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Solution

The fourth proportional to 5,218,186.56, 7,201,438.02 and 3,013,142.40 is: 4,158,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,186.56 : 7,201,438.02 = 3,013,142.40 : x
  2. Step 2: Convert to fraction form
    5,218,186.56/7,201,438.02 = 3,013,142.40/x
  3. Step 3: Cross multiply
    5,218,186.56x = 7,201,438.02 × 3,013,142.40
  4. Step 4: Simplify right side
    5,218,186.56x = 21,698,958,239,034.05
  5. Step 5: Solve for x
    x = 21,698,958,239,034.05/5,218,186.56
  6. Step 6: Final answer
    x = 4,158,333.17

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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.