Home / 3,855,622.85-5,320,643.24-2,113,254.29

Finding the Fourth Proportional to 3,855,622.85, 5,320,643.24 and 2,113,254.29

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Solution

The fourth proportional to 3,855,622.85, 5,320,643.24 and 2,113,254.29 is: 2,916,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,622.85 : 5,320,643.24 = 2,113,254.29 : x
  2. Step 2: Convert to fraction form
    3,855,622.85/5,320,643.24 = 2,113,254.29/x
  3. Step 3: Cross multiply
    3,855,622.85x = 5,320,643.24 × 2,113,254.29
  4. Step 4: Simplify right side
    3,855,622.85x = 11,243,872,155,224.84
  5. Step 5: Solve for x
    x = 11,243,872,155,224.84/3,855,622.85
  6. Step 6: Final answer
    x = 2,916,227.18

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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.