Home / 1,530,319.46-2,111,797.29-841,991.78

Finding the Fourth Proportional to 1,530,319.46, 2,111,797.29 and 841,991.78

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Solution

The fourth proportional to 1,530,319.46, 2,111,797.29 and 841,991.78 is: 1,161,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,319.46 : 2,111,797.29 = 841,991.78 : x
  2. Step 2: Convert to fraction form
    1,530,319.46/2,111,797.29 = 841,991.78/x
  3. Step 3: Cross multiply
    1,530,319.46x = 2,111,797.29 × 841,991.78
  4. Step 4: Simplify right side
    1,530,319.46x = 1,778,115,945,489.82
  5. Step 5: Solve for x
    x = 1,778,115,945,489.82/1,530,319.46
  6. Step 6: Final answer
    x = 1,161,924.68

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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.