Home / 4,200,166.32-6,299,944.74-1,640,900.76

Finding the Fourth Proportional to 4,200,166.32, 6,299,944.74 and 1,640,900.76

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Solution

The fourth proportional to 4,200,166.32, 6,299,944.74 and 1,640,900.76 is: 2,461,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,166.32 : 6,299,944.74 = 1,640,900.76 : x
  2. Step 2: Convert to fraction form
    4,200,166.32/6,299,944.74 = 1,640,900.76/x
  3. Step 3: Cross multiply
    4,200,166.32x = 6,299,944.74 × 1,640,900.76
  4. Step 4: Simplify right side
    4,200,166.32x = 10,337,584,111,824.00
  5. Step 5: Solve for x
    x = 10,337,584,111,824.00/4,200,166.32
  6. Step 6: Final answer
    x = 2,461,232.09

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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.