Home / 1,621,901.66-2,433,853.05-823,756.01

Finding the Fourth Proportional to 1,621,901.66, 2,433,853.05 and 823,756.01

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Solution

The fourth proportional to 1,621,901.66, 2,433,853.05 and 823,756.01 is: 1,236,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,901.66 : 2,433,853.05 = 823,756.01 : x
  2. Step 2: Convert to fraction form
    1,621,901.66/2,433,853.05 = 823,756.01/x
  3. Step 3: Cross multiply
    1,621,901.66x = 2,433,853.05 × 823,756.01
  4. Step 4: Simplify right side
    1,621,901.66x = 2,004,901,077,394.33
  5. Step 5: Solve for x
    x = 2,004,901,077,394.33/1,621,901.66
  6. Step 6: Final answer
    x = 1,236,142.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.