Home / 1,900,522.64-2,850,486.72-621,119.92

Finding the Fourth Proportional to 1,900,522.64, 2,850,486.72 and 621,119.92

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Solution

The fourth proportional to 1,900,522.64, 2,850,486.72 and 621,119.92 is: 931,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,522.64 : 2,850,486.72 = 621,119.92 : x
  2. Step 2: Convert to fraction form
    1,900,522.64/2,850,486.72 = 621,119.92/x
  3. Step 3: Cross multiply
    1,900,522.64x = 2,850,486.72 × 621,119.92
  4. Step 4: Simplify right side
    1,900,522.64x = 1,770,494,083,487.46
  5. Step 5: Solve for x
    x = 1,770,494,083,487.46/1,900,522.64
  6. Step 6: Final answer
    x = 931,582.74

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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.