Home / 2,126,649.42-2,934,050.67-1,208,785.74

Finding the Fourth Proportional to 2,126,649.42, 2,934,050.67 and 1,208,785.74

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Solution

The fourth proportional to 2,126,649.42, 2,934,050.67 and 1,208,785.74 is: 1,667,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,649.42 : 2,934,050.67 = 1,208,785.74 : x
  2. Step 2: Convert to fraction form
    2,126,649.42/2,934,050.67 = 1,208,785.74/x
  3. Step 3: Cross multiply
    2,126,649.42x = 2,934,050.67 × 1,208,785.74
  4. Step 4: Simplify right side
    2,126,649.42x = 3,546,638,610,333.45
  5. Step 5: Solve for x
    x = 3,546,638,610,333.45/2,126,649.42
  6. Step 6: Final answer
    x = 1,667,711.93

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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.