Home / 3,638,145.60-5,446,720.80-3,218,241.60

Finding the Fourth Proportional to 3,638,145.60, 5,446,720.80 and 3,218,241.60

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Solution

The fourth proportional to 3,638,145.60, 5,446,720.80 and 3,218,241.60 is: 4,818,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,145.60 : 5,446,720.80 = 3,218,241.60 : x
  2. Step 2: Convert to fraction form
    3,638,145.60/5,446,720.80 = 3,218,241.60/x
  3. Step 3: Cross multiply
    3,638,145.60x = 5,446,720.80 × 3,218,241.60
  4. Step 4: Simplify right side
    3,638,145.60x = 17,528,863,462,145.28
  5. Step 5: Solve for x
    x = 17,528,863,462,145.28/3,638,145.60
  6. Step 6: Final answer
    x = 4,818,076.40

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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.