Home / 2,810,762.20-3,878,850.96-1,521,601.63

Finding the Fourth Proportional to 2,810,762.20, 3,878,850.96 and 1,521,601.63

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Solution

The fourth proportional to 2,810,762.20, 3,878,850.96 and 1,521,601.63 is: 2,099,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,762.20 : 3,878,850.96 = 1,521,601.63 : x
  2. Step 2: Convert to fraction form
    2,810,762.20/3,878,850.96 = 1,521,601.63/x
  3. Step 3: Cross multiply
    2,810,762.20x = 3,878,850.96 × 1,521,601.63
  4. Step 4: Simplify right side
    2,810,762.20x = 5,902,065,943,263.07
  5. Step 5: Solve for x
    x = 5,902,065,943,263.07/2,810,762.20
  6. Step 6: Final answer
    x = 2,099,809.78

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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.