Home / 2,688,111.60-4,032,167.44-2,669,449.20

Finding the Fourth Proportional to 2,688,111.60, 4,032,167.44 and 2,669,449.20

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Solution

The fourth proportional to 2,688,111.60, 4,032,167.44 and 2,669,449.20 is: 4,004,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,111.60 : 4,032,167.44 = 2,669,449.20 : x
  2. Step 2: Convert to fraction form
    2,688,111.60/4,032,167.44 = 2,669,449.20/x
  3. Step 3: Cross multiply
    2,688,111.60x = 4,032,167.44 × 2,669,449.20
  4. Step 4: Simplify right side
    2,688,111.60x = 10,763,666,146,974.05
  5. Step 5: Solve for x
    x = 10,763,666,146,974.05/2,688,111.60
  6. Step 6: Final answer
    x = 4,004,173.84

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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.