Home / 2,101,109.93-2,899,639.45-1,285,057.31

Finding the Fourth Proportional to 2,101,109.93, 2,899,639.45 and 1,285,057.31

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Solution

The fourth proportional to 2,101,109.93, 2,899,639.45 and 1,285,057.31 is: 1,773,444.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,109.93 : 2,899,639.45 = 1,285,057.31 : x
  2. Step 2: Convert to fraction form
    2,101,109.93/2,899,639.45 = 1,285,057.31/x
  3. Step 3: Cross multiply
    2,101,109.93x = 2,899,639.45 × 1,285,057.31
  4. Step 4: Simplify right side
    2,101,109.93x = 3,726,202,857,088.68
  5. Step 5: Solve for x
    x = 3,726,202,857,088.68/2,101,109.93
  6. Step 6: Final answer
    x = 1,773,444.98

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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.