Home / 2,236,192.20-3,354,317.46-638,807.40

Finding the Fourth Proportional to 2,236,192.20, 3,354,317.46 and 638,807.40

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Solution

The fourth proportional to 2,236,192.20, 3,354,317.46 and 638,807.40 is: 958,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236,192.20 : 3,354,317.46 = 638,807.40 : x
  2. Step 2: Convert to fraction form
    2,236,192.20/3,354,317.46 = 638,807.40/x
  3. Step 3: Cross multiply
    2,236,192.20x = 3,354,317.46 × 638,807.40
  4. Step 4: Simplify right side
    2,236,192.20x = 2,142,762,815,397.20
  5. Step 5: Solve for x
    x = 2,142,762,815,397.20/2,236,192.20
  6. Step 6: Final answer
    x = 958,219.43

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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.