Home / 2,688,093.60-4,032,140.42-2,669,431.20

Finding the Fourth Proportional to 2,688,093.60, 4,032,140.42 and 2,669,431.20

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Solution

The fourth proportional to 2,688,093.60, 4,032,140.42 and 2,669,431.20 is: 4,004,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,093.60 : 4,032,140.42 = 2,669,431.20 : x
  2. Step 2: Convert to fraction form
    2,688,093.60/4,032,140.42 = 2,669,431.20/x
  3. Step 3: Cross multiply
    2,688,093.60x = 4,032,140.42 × 2,669,431.20
  4. Step 4: Simplify right side
    2,688,093.60x = 10,763,521,439,929.11
  5. Step 5: Solve for x
    x = 10,763,521,439,929.11/2,688,093.60
  6. Step 6: Final answer
    x = 4,004,146.82

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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.