Home / 2,621,487.59-3,616,787.72-2,137,220.18

Finding the Fourth Proportional to 2,621,487.59, 3,616,787.72 and 2,137,220.18

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Solution

The fourth proportional to 2,621,487.59, 3,616,787.72 and 2,137,220.18 is: 2,948,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,487.59 : 3,616,787.72 = 2,137,220.18 : x
  2. Step 2: Convert to fraction form
    2,621,487.59/3,616,787.72 = 2,137,220.18/x
  3. Step 3: Cross multiply
    2,621,487.59x = 3,616,787.72 × 2,137,220.18
  4. Step 4: Simplify right side
    2,621,487.59x = 7,729,871,689,219.30
  5. Step 5: Solve for x
    x = 7,729,871,689,219.30/2,621,487.59
  6. Step 6: Final answer
    x = 2,948,658.51

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Double scale
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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.