Home / 2,154,464.79-3,232,170.17-638,266.42

Finding the Fourth Proportional to 2,154,464.79, 3,232,170.17 and 638,266.42

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Solution

The fourth proportional to 2,154,464.79, 3,232,170.17 and 638,266.42 is: 957,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,464.79 : 3,232,170.17 = 638,266.42 : x
  2. Step 2: Convert to fraction form
    2,154,464.79/3,232,170.17 = 638,266.42/x
  3. Step 3: Cross multiply
    2,154,464.79x = 3,232,170.17 × 638,266.42
  4. Step 4: Simplify right side
    2,154,464.79x = 2,062,985,683,236.69
  5. Step 5: Solve for x
    x = 2,062,985,683,236.69/2,154,464.79
  6. Step 6: Final answer
    x = 957,539.75

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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.