Home / 3,926,289.78-5,889,508.47-1,230,555.30

Finding the Fourth Proportional to 3,926,289.78, 5,889,508.47 and 1,230,555.30

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Solution

The fourth proportional to 3,926,289.78, 5,889,508.47 and 1,230,555.30 is: 1,845,856.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926,289.78 : 5,889,508.47 = 1,230,555.30 : x
  2. Step 2: Convert to fraction form
    3,926,289.78/5,889,508.47 = 1,230,555.30/x
  3. Step 3: Cross multiply
    3,926,289.78x = 5,889,508.47 × 1,230,555.30
  4. Step 4: Simplify right side
    3,926,289.78x = 7,247,365,862,153.39
  5. Step 5: Solve for x
    x = 7,247,365,862,153.39/3,926,289.78
  6. Step 6: Final answer
    x = 1,845,856.08

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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.