Home / 1,621,178.22-2,237,341.78-896,010.34

Finding the Fourth Proportional to 1,621,178.22, 2,237,341.78 and 896,010.34

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Solution

The fourth proportional to 1,621,178.22, 2,237,341.78 and 896,010.34 is: 1,236,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,178.22 : 2,237,341.78 = 896,010.34 : x
  2. Step 2: Convert to fraction form
    1,621,178.22/2,237,341.78 = 896,010.34/x
  3. Step 3: Cross multiply
    1,621,178.22x = 2,237,341.78 × 896,010.34
  4. Step 4: Simplify right side
    1,621,178.22x = 2,004,681,368,994.01
  5. Step 5: Solve for x
    x = 2,004,681,368,994.01/1,621,178.22
  6. Step 6: Final answer
    x = 1,236,558.29

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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.