Home / 1,917,111.46-2,645,595.57-1,057,678.66

Finding the Fourth Proportional to 1,917,111.46, 2,645,595.57 and 1,057,678.66

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Solution

The fourth proportional to 1,917,111.46, 2,645,595.57 and 1,057,678.66 is: 1,459,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,111.46 : 2,645,595.57 = 1,057,678.66 : x
  2. Step 2: Convert to fraction form
    1,917,111.46/2,645,595.57 = 1,057,678.66/x
  3. Step 3: Cross multiply
    1,917,111.46x = 2,645,595.57 × 1,057,678.66
  4. Step 4: Simplify right side
    1,917,111.46x = 2,798,189,977,379.54
  5. Step 5: Solve for x
    x = 2,798,189,977,379.54/1,917,111.46
  6. Step 6: Final answer
    x = 1,459,586.49

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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.