Home / 1,291,810.11-1,932,976.01-1,078,050.34

Finding the Fourth Proportional to 1,291,810.11, 1,932,976.01 and 1,078,050.34

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Solution

The fourth proportional to 1,291,810.11, 1,932,976.01 and 1,078,050.34 is: 1,613,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,810.11 : 1,932,976.01 = 1,078,050.34 : x
  2. Step 2: Convert to fraction form
    1,291,810.11/1,932,976.01 = 1,078,050.34/x
  3. Step 3: Cross multiply
    1,291,810.11x = 1,932,976.01 × 1,078,050.34
  4. Step 4: Simplify right side
    1,291,810.11x = 2,083,845,439,402.09
  5. Step 5: Solve for x
    x = 2,083,845,439,402.09/1,291,810.11
  6. Step 6: Final answer
    x = 1,613,120.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.