Home / 1,621,354.92-2,237,351.40-896,161.92

Finding the Fourth Proportional to 1,621,354.92, 2,237,351.40 and 896,161.92

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Solution

The fourth proportional to 1,621,354.92, 2,237,351.40 and 896,161.92 is: 1,236,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,354.92 : 2,237,351.40 = 896,161.92 : x
  2. Step 2: Convert to fraction form
    1,621,354.92/2,237,351.40 = 896,161.92/x
  3. Step 3: Cross multiply
    1,621,354.92x = 2,237,351.40 × 896,161.92
  4. Step 4: Simplify right side
    1,621,354.92x = 2,005,029,126,338.69
  5. Step 5: Solve for x
    x = 2,005,029,126,338.69/1,621,354.92
  6. Step 6: Final answer
    x = 1,236,638.01

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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.