Home / 1,621,895.08-2,238,019.86-896,644.84

Finding the Fourth Proportional to 1,621,895.08, 2,238,019.86 and 896,644.84

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Solution

The fourth proportional to 1,621,895.08, 2,238,019.86 and 896,644.84 is: 1,237,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,895.08 : 2,238,019.86 = 896,644.84 : x
  2. Step 2: Convert to fraction form
    1,621,895.08/2,238,019.86 = 896,644.84/x
  3. Step 3: Cross multiply
    1,621,895.08x = 2,238,019.86 × 896,644.84
  4. Step 4: Simplify right side
    1,621,895.08x = 2,006,708,959,286.52
  5. Step 5: Solve for x
    x = 2,006,708,959,286.52/1,621,895.08
  6. Step 6: Final answer
    x = 1,237,261.88

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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.