Home / 2,688,092.60-4,032,138.90-1,836,534.20

Finding the Fourth Proportional to 2,688,092.60, 4,032,138.90 and 1,836,534.20

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Solution

The fourth proportional to 2,688,092.60, 4,032,138.90 and 1,836,534.20 is: 2,754,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,092.60 : 4,032,138.90 = 1,836,534.20 : x
  2. Step 2: Convert to fraction form
    2,688,092.60/4,032,138.90 = 1,836,534.20/x
  3. Step 3: Cross multiply
    2,688,092.60x = 4,032,138.90 × 1,836,534.20
  4. Step 4: Simplify right side
    2,688,092.60x = 7,405,160,989,000.38
  5. Step 5: Solve for x
    x = 7,405,160,989,000.38/2,688,092.60
  6. Step 6: Final answer
    x = 2,754,801.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.