Home / 2,236,193.20-3,354,318.96-638,808.40

Finding the Fourth Proportional to 2,236,193.20, 3,354,318.96 and 638,808.40

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Solution

The fourth proportional to 2,236,193.20, 3,354,318.96 and 638,808.40 is: 958,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236,193.20 : 3,354,318.96 = 638,808.40 : x
  2. Step 2: Convert to fraction form
    2,236,193.20/3,354,318.96 = 638,808.40/x
  3. Step 3: Cross multiply
    2,236,193.20x = 3,354,318.96 × 638,808.40
  4. Step 4: Simplify right side
    2,236,193.20x = 2,142,767,127,927.26
  5. Step 5: Solve for x
    x = 2,142,767,127,927.26/2,236,193.20
  6. Step 6: Final answer
    x = 958,220.93

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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.