Home / 1,945,431.18-2,919,926.55-986,548.55

Finding the Fourth Proportional to 1,945,431.18, 2,919,926.55 and 986,548.55

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Solution

The fourth proportional to 1,945,431.18, 2,919,926.55 and 986,548.55 is: 1,480,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,431.18 : 2,919,926.55 = 986,548.55 : x
  2. Step 2: Convert to fraction form
    1,945,431.18/2,919,926.55 = 986,548.55/x
  3. Step 3: Cross multiply
    1,945,431.18x = 2,919,926.55 × 986,548.55
  4. Step 4: Simplify right side
    1,945,431.18x = 2,880,649,289,409.37
  5. Step 5: Solve for x
    x = 2,880,649,289,409.37/1,945,431.18
  6. Step 6: Final answer
    x = 1,480,725.36

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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.