Home / 1,621,481.90-2,237,612.04-896,360.18

Finding the Fourth Proportional to 1,621,481.90, 2,237,612.04 and 896,360.18

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Solution

The fourth proportional to 1,621,481.90, 2,237,612.04 and 896,360.18 is: 1,236,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,481.90 : 2,237,612.04 = 896,360.18 : x
  2. Step 2: Convert to fraction form
    1,621,481.90/2,237,612.04 = 896,360.18/x
  3. Step 3: Cross multiply
    1,621,481.90x = 2,237,612.04 × 896,360.18
  4. Step 4: Simplify right side
    1,621,481.90x = 2,005,706,319,756.51
  5. Step 5: Solve for x
    x = 2,005,706,319,756.51/1,621,481.90
  6. Step 6: Final answer
    x = 1,236,958.81

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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.