Home / 1,536,489.08-2,120,371.02-857,411

Finding the Fourth Proportional to 1,536,489.08, 2,120,371.02 and 857,411

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Solution

The fourth proportional to 1,536,489.08, 2,120,371.02 and 857,411 is: 1,183,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,489.08 : 2,120,371.02 = 857,411 : x
  2. Step 2: Convert to fraction form
    1,536,489.08/2,120,371.02 = 857,411/x
  3. Step 3: Cross multiply
    1,536,489.08x = 2,120,371.02 × 857,411
  4. Step 4: Simplify right side
    1,536,489.08x = 1,818,029,436,629.22
  5. Step 5: Solve for x
    x = 1,818,029,436,629.22/1,536,489.08
  6. Step 6: Final answer
    x = 1,183,236.16

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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.