Home / 1,911,609.07-2,638,095.31-1,052,249.29

Finding the Fourth Proportional to 1,911,609.07, 2,638,095.31 and 1,052,249.29

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Solution

The fourth proportional to 1,911,609.07, 2,638,095.31 and 1,052,249.29 is: 1,452,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,609.07 : 2,638,095.31 = 1,052,249.29 : x
  2. Step 2: Convert to fraction form
    1,911,609.07/2,638,095.31 = 1,052,249.29/x
  3. Step 3: Cross multiply
    1,911,609.07x = 2,638,095.31 × 1,052,249.29
  4. Step 4: Simplify right side
    1,911,609.07x = 2,775,933,916,899.83
  5. Step 5: Solve for x
    x = 2,775,933,916,899.83/1,911,609.07
  6. Step 6: Final answer
    x = 1,452,145.19

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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.