Home / 2,581,312.34-3,562,297.45-1,419,807.72

Finding the Fourth Proportional to 2,581,312.34, 3,562,297.45 and 1,419,807.72

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Solution

The fourth proportional to 2,581,312.34, 3,562,297.45 and 1,419,807.72 is: 1,959,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581,312.34 : 3,562,297.45 = 1,419,807.72 : x
  2. Step 2: Convert to fraction form
    2,581,312.34/3,562,297.45 = 1,419,807.72/x
  3. Step 3: Cross multiply
    2,581,312.34x = 3,562,297.45 × 1,419,807.72
  4. Step 4: Simplify right side
    2,581,312.34x = 5,057,777,420,446.31
  5. Step 5: Solve for x
    x = 5,057,777,420,446.31/2,581,312.34
  6. Step 6: Final answer
    x = 1,959,382.19

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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.