Home / 7,140,645.49-10,710,944.89-2,591,688.23

Finding the Fourth Proportional to 7,140,645.49, 10,710,944.89 and 2,591,688.23

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Solution

The fourth proportional to 7,140,645.49, 10,710,944.89 and 2,591,688.23 is: 3,887,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,645.49 : 10,710,944.89 = 2,591,688.23 : x
  2. Step 2: Convert to fraction form
    7,140,645.49/10,710,944.89 = 2,591,688.23/x
  3. Step 3: Cross multiply
    7,140,645.49x = 10,710,944.89 × 2,591,688.23
  4. Step 4: Simplify right side
    7,140,645.49x = 27,759,429,753,599.21
  5. Step 5: Solve for x
    x = 27,759,429,753,599.21/7,140,645.49
  6. Step 6: Final answer
    x = 3,887,523.86

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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.