Home / 1,908,686.13-2,862,954.39-646,513.71

Finding the Fourth Proportional to 1,908,686.13, 2,862,954.39 and 646,513.71

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Solution

The fourth proportional to 1,908,686.13, 2,862,954.39 and 646,513.71 is: 969,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,686.13 : 2,862,954.39 = 646,513.71 : x
  2. Step 2: Convert to fraction form
    1,908,686.13/2,862,954.39 = 646,513.71/x
  3. Step 3: Cross multiply
    1,908,686.13x = 2,862,954.39 × 646,513.71
  4. Step 4: Simplify right side
    1,908,686.13x = 1,850,939,264,239.69
  5. Step 5: Solve for x
    x = 1,850,939,264,239.69/1,908,686.13
  6. Step 6: Final answer
    x = 969,745.23

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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.