Home / 1,536,615.16-2,120,649.06-857,653.72

Finding the Fourth Proportional to 1,536,615.16, 2,120,649.06 and 857,653.72

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Solution

The fourth proportional to 1,536,615.16, 2,120,649.06 and 857,653.72 is: 1,183,629.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,615.16 : 2,120,649.06 = 857,653.72 : x
  2. Step 2: Convert to fraction form
    1,536,615.16/2,120,649.06 = 857,653.72/x
  3. Step 3: Cross multiply
    1,536,615.16x = 2,120,649.06 × 857,653.72
  4. Step 4: Simplify right side
    1,536,615.16x = 1,818,782,555,123.50
  5. Step 5: Solve for x
    x = 1,818,782,555,123.50/1,536,615.16
  6. Step 6: Final answer
    x = 1,183,629.19

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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.