Home / 1,639,266.90-2,458,900.35-1,103,889.30

Finding the Fourth Proportional to 1,639,266.90, 2,458,900.35 and 1,103,889.30

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Solution

The fourth proportional to 1,639,266.90, 2,458,900.35 and 1,103,889.30 is: 1,655,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,266.90 : 2,458,900.35 = 1,103,889.30 : x
  2. Step 2: Convert to fraction form
    1,639,266.90/2,458,900.35 = 1,103,889.30/x
  3. Step 3: Cross multiply
    1,639,266.90x = 2,458,900.35 × 1,103,889.30
  4. Step 4: Simplify right side
    1,639,266.90x = 2,714,353,786,131.26
  5. Step 5: Solve for x
    x = 2,714,353,786,131.26/1,639,266.90
  6. Step 6: Final answer
    x = 1,655,833.95

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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.