Home / 3,219,998.78-4,830,869.28-1,090,083.08

Finding the Fourth Proportional to 3,219,998.78, 4,830,869.28 and 1,090,083.08

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Solution

The fourth proportional to 3,219,998.78, 4,830,869.28 and 1,090,083.08 is: 1,635,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,998.78 : 4,830,869.28 = 1,090,083.08 : x
  2. Step 2: Convert to fraction form
    3,219,998.78/4,830,869.28 = 1,090,083.08/x
  3. Step 3: Cross multiply
    3,219,998.78x = 4,830,869.28 × 1,090,083.08
  4. Step 4: Simplify right side
    3,219,998.78x = 5,266,048,863,819.78
  5. Step 5: Solve for x
    x = 5,266,048,863,819.78/3,219,998.78
  6. Step 6: Final answer
    x = 1,635,419.52

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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.