Home / 1,900,225.68-2,850,600.96-638,414.16

Finding the Fourth Proportional to 1,900,225.68, 2,850,600.96 and 638,414.16

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Solution

The fourth proportional to 1,900,225.68, 2,850,600.96 and 638,414.16 is: 957,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,225.68 : 2,850,600.96 = 638,414.16 : x
  2. Step 2: Convert to fraction form
    1,900,225.68/2,850,600.96 = 638,414.16/x
  3. Step 3: Cross multiply
    1,900,225.68x = 2,850,600.96 × 638,414.16
  4. Step 4: Simplify right side
    1,900,225.68x = 1,819,864,017,373.59
  5. Step 5: Solve for x
    x = 1,819,864,017,373.59/1,900,225.68
  6. Step 6: Final answer
    x = 957,709.41

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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.