Home / 2,810,155.77-3,878,043.35-1,521,023.76

Finding the Fourth Proportional to 2,810,155.77, 3,878,043.35 and 1,521,023.76

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Solution

The fourth proportional to 2,810,155.77, 3,878,043.35 and 1,521,023.76 is: 2,099,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,155.77 : 3,878,043.35 = 1,521,023.76 : x
  2. Step 2: Convert to fraction form
    2,810,155.77/3,878,043.35 = 1,521,023.76/x
  3. Step 3: Cross multiply
    2,810,155.77x = 3,878,043.35 × 1,521,023.76
  4. Step 4: Simplify right side
    2,810,155.77x = 5,898,596,070,054.88
  5. Step 5: Solve for x
    x = 5,898,596,070,054.88/2,810,155.77
  6. Step 6: Final answer
    x = 2,099,028.15

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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.