Home / 3,644,328.40-5,468,825.40-2,128,008.40

Finding the Fourth Proportional to 3,644,328.40, 5,468,825.40 and 2,128,008.40

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Solution

The fourth proportional to 3,644,328.40, 5,468,825.40 and 2,128,008.40 is: 3,193,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644,328.40 : 5,468,825.40 = 2,128,008.40 : x
  2. Step 2: Convert to fraction form
    3,644,328.40/5,468,825.40 = 2,128,008.40/x
  3. Step 3: Cross multiply
    3,644,328.40x = 5,468,825.40 × 2,128,008.40
  4. Step 4: Simplify right side
    3,644,328.40x = 11,637,706,389,333.36
  5. Step 5: Solve for x
    x = 11,637,706,389,333.36/3,644,328.40
  6. Step 6: Final answer
    x = 3,193,374.78

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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.