Home / 1,812,790.18-2,501,667.20-985,871.60

Finding the Fourth Proportional to 1,812,790.18, 2,501,667.20 and 985,871.60

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Solution

The fourth proportional to 1,812,790.18, 2,501,667.20 and 985,871.60 is: 1,360,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,790.18 : 2,501,667.20 = 985,871.60 : x
  2. Step 2: Convert to fraction form
    1,812,790.18/2,501,667.20 = 985,871.60/x
  3. Step 3: Cross multiply
    1,812,790.18x = 2,501,667.20 × 985,871.60
  4. Step 4: Simplify right side
    1,812,790.18x = 2,466,322,638,877.35
  5. Step 5: Solve for x
    x = 2,466,322,638,877.35/1,812,790.18
  6. Step 6: Final answer
    x = 1,360,511.92

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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.