Home / 1,900,782.49-2,851,599.32-638,575.69

Finding the Fourth Proportional to 1,900,782.49, 2,851,599.32 and 638,575.69

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Solution

The fourth proportional to 1,900,782.49, 2,851,599.32 and 638,575.69 is: 958,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,782.49 : 2,851,599.32 = 638,575.69 : x
  2. Step 2: Convert to fraction form
    1,900,782.49/2,851,599.32 = 638,575.69/x
  3. Step 3: Cross multiply
    1,900,782.49x = 2,851,599.32 × 638,575.69
  4. Step 4: Simplify right side
    1,900,782.49x = 1,820,962,003,372.53
  5. Step 5: Solve for x
    x = 1,820,962,003,372.53/1,900,782.49
  6. Step 6: Final answer
    x = 958,006.51

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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.