Home / 1,943,809.47-2,682,435.24-1,072,650.87

Finding the Fourth Proportional to 1,943,809.47, 2,682,435.24 and 1,072,650.87

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Solution

The fourth proportional to 1,943,809.47, 2,682,435.24 and 1,072,650.87 is: 1,480,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,809.47 : 2,682,435.24 = 1,072,650.87 : x
  2. Step 2: Convert to fraction form
    1,943,809.47/2,682,435.24 = 1,072,650.87/x
  3. Step 3: Cross multiply
    1,943,809.47x = 2,682,435.24 × 1,072,650.87
  4. Step 4: Simplify right side
    1,943,809.47x = 2,877,316,493,904.66
  5. Step 5: Solve for x
    x = 2,877,316,493,904.66/1,943,809.47
  6. Step 6: Final answer
    x = 1,480,246.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.