Home / 2,100,818.50-2,899,259.13-1,195,398.34

Finding the Fourth Proportional to 2,100,818.50, 2,899,259.13 and 1,195,398.34

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Solution

The fourth proportional to 2,100,818.50, 2,899,259.13 and 1,195,398.34 is: 1,649,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,818.50 : 2,899,259.13 = 1,195,398.34 : x
  2. Step 2: Convert to fraction form
    2,100,818.50/2,899,259.13 = 1,195,398.34/x
  3. Step 3: Cross multiply
    2,100,818.50x = 2,899,259.13 × 1,195,398.34
  4. Step 4: Simplify right side
    2,100,818.50x = 3,465,769,551,231.84
  5. Step 5: Solve for x
    x = 3,465,769,551,231.84/2,100,818.50
  6. Step 6: Final answer
    x = 1,649,723.45

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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.