Home / 1,881,728.57-2,596,778.64-1,022,281.31

Finding the Fourth Proportional to 1,881,728.57, 2,596,778.64 and 1,022,281.31

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Solution

The fourth proportional to 1,881,728.57, 2,596,778.64 and 1,022,281.31 is: 1,410,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,728.57 : 2,596,778.64 = 1,022,281.31 : x
  2. Step 2: Convert to fraction form
    1,881,728.57/2,596,778.64 = 1,022,281.31/x
  3. Step 3: Cross multiply
    1,881,728.57x = 2,596,778.64 × 1,022,281.31
  4. Step 4: Simplify right side
    1,881,728.57x = 2,654,638,256,895.33
  5. Step 5: Solve for x
    x = 2,654,638,256,895.33/1,881,728.57
  6. Step 6: Final answer
    x = 1,410,744.52

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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.