Home / 3,128,168.50-4,316,515.72-1,751,320.78

Finding the Fourth Proportional to 3,128,168.50, 4,316,515.72 and 1,751,320.78

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Solution

The fourth proportional to 3,128,168.50, 4,316,515.72 and 1,751,320.78 is: 2,416,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,168.50 : 4,316,515.72 = 1,751,320.78 : x
  2. Step 2: Convert to fraction form
    3,128,168.50/4,316,515.72 = 1,751,320.78/x
  3. Step 3: Cross multiply
    3,128,168.50x = 4,316,515.72 × 1,751,320.78
  4. Step 4: Simplify right side
    3,128,168.50x = 7,559,603,662,463.07
  5. Step 5: Solve for x
    x = 7,559,603,662,463.07/3,128,168.50
  6. Step 6: Final answer
    x = 2,416,622.91

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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.