Home / 1,911,849.60-2,871,057.60-1,058,563.20

Finding the Fourth Proportional to 1,911,849.60, 2,871,057.60 and 1,058,563.20

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Solution

The fourth proportional to 1,911,849.60, 2,871,057.60 and 1,058,563.20 is: 1,589,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,849.60 : 2,871,057.60 = 1,058,563.20 : x
  2. Step 2: Convert to fraction form
    1,911,849.60/2,871,057.60 = 1,058,563.20/x
  3. Step 3: Cross multiply
    1,911,849.60x = 2,871,057.60 × 1,058,563.20
  4. Step 4: Simplify right side
    1,911,849.60x = 3,039,195,920,440.32
  5. Step 5: Solve for x
    x = 3,039,195,920,440.32/1,911,849.60
  6. Step 6: Final answer
    x = 1,589,662.66

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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.