Home / 1,949,807.93-2,691,411.39-1,339,979.40

Finding the Fourth Proportional to 1,949,807.93, 2,691,411.39 and 1,339,979.40

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Solution

The fourth proportional to 1,949,807.93, 2,691,411.39 and 1,339,979.40 is: 1,849,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,807.93 : 2,691,411.39 = 1,339,979.40 : x
  2. Step 2: Convert to fraction form
    1,949,807.93/2,691,411.39 = 1,339,979.40/x
  3. Step 3: Cross multiply
    1,949,807.93x = 2,691,411.39 × 1,339,979.40
  4. Step 4: Simplify right side
    1,949,807.93x = 3,606,435,819,525.37
  5. Step 5: Solve for x
    x = 3,606,435,819,525.37/1,949,807.93
  6. Step 6: Final answer
    x = 1,849,636.46

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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.