Home / 2,039,513.85-2,814,609.42-1,121,828.36

Finding the Fourth Proportional to 2,039,513.85, 2,814,609.42 and 1,121,828.36

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Solution

The fourth proportional to 2,039,513.85, 2,814,609.42 and 1,121,828.36 is: 1,548,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,513.85 : 2,814,609.42 = 1,121,828.36 : x
  2. Step 2: Convert to fraction form
    2,039,513.85/2,814,609.42 = 1,121,828.36/x
  3. Step 3: Cross multiply
    2,039,513.85x = 2,814,609.42 × 1,121,828.36
  4. Step 4: Simplify right side
    2,039,513.85x = 3,157,508,655,606.10
  5. Step 5: Solve for x
    x = 3,157,508,655,606.10/2,039,513.85
  6. Step 6: Final answer
    x = 1,548,167.30

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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.