Home / 3,058,178.90-4,219,814.48-1,769,139.24

Finding the Fourth Proportional to 3,058,178.90, 4,219,814.48 and 1,769,139.24

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Solution

The fourth proportional to 3,058,178.90, 4,219,814.48 and 1,769,139.24 is: 2,441,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058,178.90 : 4,219,814.48 = 1,769,139.24 : x
  2. Step 2: Convert to fraction form
    3,058,178.90/4,219,814.48 = 1,769,139.24/x
  3. Step 3: Cross multiply
    3,058,178.90x = 4,219,814.48 × 1,769,139.24
  4. Step 4: Simplify right side
    3,058,178.90x = 7,465,439,382,088.20
  5. Step 5: Solve for x
    x = 7,465,439,382,088.20/3,058,178.90
  6. Step 6: Final answer
    x = 2,441,138.87

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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.