Home / 1,917,405.58-2,646,074.64-1,058,021.20

Finding the Fourth Proportional to 1,917,405.58, 2,646,074.64 and 1,058,021.20

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Solution

The fourth proportional to 1,917,405.58, 2,646,074.64 and 1,058,021.20 is: 1,460,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,405.58 : 2,646,074.64 = 1,058,021.20 : x
  2. Step 2: Convert to fraction form
    1,917,405.58/2,646,074.64 = 1,058,021.20/x
  3. Step 3: Cross multiply
    1,917,405.58x = 2,646,074.64 × 1,058,021.20
  4. Step 4: Simplify right side
    1,917,405.58x = 2,799,603,052,672.00
  5. Step 5: Solve for x
    x = 2,799,603,052,672.00/1,917,405.58
  6. Step 6: Final answer
    x = 1,460,099.57

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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.