Home / 2,077,165.70-3,116,623.35-1,131,215.30

Finding the Fourth Proportional to 2,077,165.70, 3,116,623.35 and 1,131,215.30

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Solution

The fourth proportional to 2,077,165.70, 3,116,623.35 and 1,131,215.30 is: 1,697,299.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,165.70 : 3,116,623.35 = 1,131,215.30 : x
  2. Step 2: Convert to fraction form
    2,077,165.70/3,116,623.35 = 1,131,215.30/x
  3. Step 3: Cross multiply
    2,077,165.70x = 3,116,623.35 × 1,131,215.30
  4. Step 4: Simplify right side
    2,077,165.70x = 3,525,572,017,857.26
  5. Step 5: Solve for x
    x = 3,525,572,017,857.26/2,077,165.70
  6. Step 6: Final answer
    x = 1,697,299.36

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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.