Home / 1,903,889.30-2,860,499.55-1,431,497.30

Finding the Fourth Proportional to 1,903,889.30, 2,860,499.55 and 1,431,497.30

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Solution

The fourth proportional to 1,903,889.30, 2,860,499.55 and 1,431,497.30 is: 2,150,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,889.30 : 2,860,499.55 = 1,431,497.30 : x
  2. Step 2: Convert to fraction form
    1,903,889.30/2,860,499.55 = 1,431,497.30/x
  3. Step 3: Cross multiply
    1,903,889.30x = 2,860,499.55 × 1,431,497.30
  4. Step 4: Simplify right side
    1,903,889.30x = 4,094,797,382,476.22
  5. Step 5: Solve for x
    x = 4,094,797,382,476.22/1,903,889.30
  6. Step 6: Final answer
    x = 2,150,753.92

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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.