Home / 2,810,806.48-3,878,914.24-1,521,646.87

Finding the Fourth Proportional to 2,810,806.48, 3,878,914.24 and 1,521,646.87

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Solution

The fourth proportional to 2,810,806.48, 3,878,914.24 and 1,521,646.87 is: 2,099,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,806.48 : 3,878,914.24 = 1,521,646.87 : x
  2. Step 2: Convert to fraction form
    2,810,806.48/3,878,914.24 = 1,521,646.87/x
  3. Step 3: Cross multiply
    2,810,806.48x = 3,878,914.24 × 1,521,646.87
  4. Step 4: Simplify right side
    2,810,806.48x = 5,902,337,704,499.20
  5. Step 5: Solve for x
    x = 5,902,337,704,499.20/2,810,806.48
  6. Step 6: Final answer
    x = 2,099,873.38

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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.