Home / 1,951,998.86-2,690,107.13-1,407,206.23

Finding the Fourth Proportional to 1,951,998.86, 2,690,107.13 and 1,407,206.23

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Solution

The fourth proportional to 1,951,998.86, 2,690,107.13 and 1,407,206.23 is: 1,939,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,998.86 : 2,690,107.13 = 1,407,206.23 : x
  2. Step 2: Convert to fraction form
    1,951,998.86/2,690,107.13 = 1,407,206.23/x
  3. Step 3: Cross multiply
    1,951,998.86x = 2,690,107.13 × 1,407,206.23
  4. Step 4: Simplify right side
    1,951,998.86x = 3,785,535,509,496.17
  5. Step 5: Solve for x
    x = 3,785,535,509,496.17/1,951,998.86
  6. Step 6: Final answer
    x = 1,939,312.35

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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.