Home / 1,621,318.51-2,237,190.95-923,617.66

Finding the Fourth Proportional to 1,621,318.51, 2,237,190.95 and 923,617.66

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Solution

The fourth proportional to 1,621,318.51, 2,237,190.95 and 923,617.66 is: 1,274,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,318.51 : 2,237,190.95 = 923,617.66 : x
  2. Step 2: Convert to fraction form
    1,621,318.51/2,237,190.95 = 923,617.66/x
  3. Step 3: Cross multiply
    1,621,318.51x = 2,237,190.95 × 923,617.66
  4. Step 4: Simplify right side
    1,621,318.51x = 2,066,309,070,212.18
  5. Step 5: Solve for x
    x = 2,066,309,070,212.18/1,621,318.51
  6. Step 6: Final answer
    x = 1,274,462.15

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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.