Home / 2,814,378.31-3,883,840.22-1,525,218.70

Finding the Fourth Proportional to 2,814,378.31, 3,883,840.22 and 1,525,218.70

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Solution

The fourth proportional to 2,814,378.31, 3,883,840.22 and 1,525,218.70 is: 2,104,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814,378.31 : 3,883,840.22 = 1,525,218.70 : x
  2. Step 2: Convert to fraction form
    2,814,378.31/3,883,840.22 = 1,525,218.70/x
  3. Step 3: Cross multiply
    2,814,378.31x = 3,883,840.22 × 1,525,218.70
  4. Step 4: Simplify right side
    2,814,378.31x = 5,923,705,723,730.02
  5. Step 5: Solve for x
    x = 5,923,705,723,730.02/2,814,378.31
  6. Step 6: Final answer
    x = 2,104,800.80

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1.5x scale

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.