Home / 1,966,219.83-2,950,037.61-687,015.49

Finding the Fourth Proportional to 1,966,219.83, 2,950,037.61 and 687,015.49

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Solution

The fourth proportional to 1,966,219.83, 2,950,037.61 and 687,015.49 is: 1,030,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,219.83 : 2,950,037.61 = 687,015.49 : x
  2. Step 2: Convert to fraction form
    1,966,219.83/2,950,037.61 = 687,015.49/x
  3. Step 3: Cross multiply
    1,966,219.83x = 2,950,037.61 × 687,015.49
  4. Step 4: Simplify right side
    1,966,219.83x = 2,026,721,534,152.58
  5. Step 5: Solve for x
    x = 2,026,721,534,152.58/1,966,219.83
  6. Step 6: Final answer
    x = 1,030,770.57

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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.