Home / 1,900,731-2,851,522-638,524.20

Finding the Fourth Proportional to 1,900,731, 2,851,522 and 638,524.20

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Solution

The fourth proportional to 1,900,731, 2,851,522 and 638,524.20 is: 957,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,731 : 2,851,522 = 638,524.20 : x
  2. Step 2: Convert to fraction form
    1,900,731/2,851,522 = 638,524.20/x
  3. Step 3: Cross multiply
    1,900,731x = 2,851,522 × 638,524.20
  4. Step 4: Simplify right side
    1,900,731x = 1,820,765,803,832.40
  5. Step 5: Solve for x
    x = 1,820,765,803,832.40/1,900,731
  6. Step 6: Final answer
    x = 957,929.24

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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.