Home / 2,688,671.60-3,710,628.28-2,008,427.12

Finding the Fourth Proportional to 2,688,671.60, 3,710,628.28 and 2,008,427.12

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Solution

The fourth proportional to 2,688,671.60, 3,710,628.28 and 2,008,427.12 is: 2,771,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,671.60 : 3,710,628.28 = 2,008,427.12 : x
  2. Step 2: Convert to fraction form
    2,688,671.60/3,710,628.28 = 2,008,427.12/x
  3. Step 3: Cross multiply
    2,688,671.60x = 3,710,628.28 × 2,008,427.12
  4. Step 4: Simplify right side
    2,688,671.60x = 7,452,526,469,790.95
  5. Step 5: Solve for x
    x = 7,452,526,469,790.95/2,688,671.60
  6. Step 6: Final answer
    x = 2,771,824.74

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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.