Home / 4,759,571.60-7,128,859.80-2,863,005.20

Finding the Fourth Proportional to 4,759,571.60, 7,128,859.80 and 2,863,005.20

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Solution

The fourth proportional to 4,759,571.60, 7,128,859.80 and 2,863,005.20 is: 4,288,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759,571.60 : 7,128,859.80 = 2,863,005.20 : x
  2. Step 2: Convert to fraction form
    4,759,571.60/7,128,859.80 = 2,863,005.20/x
  3. Step 3: Cross multiply
    4,759,571.60x = 7,128,859.80 × 2,863,005.20
  4. Step 4: Simplify right side
    4,759,571.60x = 20,409,962,677,470.96
  5. Step 5: Solve for x
    x = 20,409,962,677,470.96/4,759,571.60
  6. Step 6: Final answer
    x = 4,288,193.22

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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.