Home / 1,980,676.56-2,733,355.62-1,121,217.96

Finding the Fourth Proportional to 1,980,676.56, 2,733,355.62 and 1,121,217.96

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Solution

The fourth proportional to 1,980,676.56, 2,733,355.62 and 1,121,217.96 is: 1,547,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,676.56 : 2,733,355.62 = 1,121,217.96 : x
  2. Step 2: Convert to fraction form
    1,980,676.56/2,733,355.62 = 1,121,217.96/x
  3. Step 3: Cross multiply
    1,980,676.56x = 2,733,355.62 × 1,121,217.96
  4. Step 4: Simplify right side
    1,980,676.56x = 3,064,687,412,210.94
  5. Step 5: Solve for x
    x = 3,064,687,412,210.94/1,980,676.56
  6. Step 6: Final answer
    x = 1,547,293.22

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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.