Home / 1,621,995.17-2,238,195.51-896,743.58

Finding the Fourth Proportional to 1,621,995.17, 2,238,195.51 and 896,743.58

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Solution

The fourth proportional to 1,621,995.17, 2,238,195.51 and 896,743.58 is: 1,237,418.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,995.17 : 2,238,195.51 = 896,743.58 : x
  2. Step 2: Convert to fraction form
    1,621,995.17/2,238,195.51 = 896,743.58/x
  3. Step 3: Cross multiply
    1,621,995.17x = 2,238,195.51 × 896,743.58
  4. Step 4: Simplify right side
    1,621,995.17x = 2,007,087,443,186.35
  5. Step 5: Solve for x
    x = 2,007,087,443,186.35/1,621,995.17
  6. Step 6: Final answer
    x = 1,237,418.88

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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.