Home / 1,875,361.92-2,588,011.88-1,015,921.55

Finding the Fourth Proportional to 1,875,361.92, 2,588,011.88 and 1,015,921.55

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Solution

The fourth proportional to 1,875,361.92, 2,588,011.88 and 1,015,921.55 is: 1,401,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,361.92 : 2,588,011.88 = 1,015,921.55 : x
  2. Step 2: Convert to fraction form
    1,875,361.92/2,588,011.88 = 1,015,921.55/x
  3. Step 3: Cross multiply
    1,875,361.92x = 2,588,011.88 × 1,015,921.55
  4. Step 4: Simplify right side
    1,875,361.92x = 2,629,217,022,528.35
  5. Step 5: Solve for x
    x = 2,629,217,022,528.35/1,875,361.92
  6. Step 6: Final answer
    x = 1,401,978.46

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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.