Home / 2,999,078.57-4,138,719.30-1,622,421.86

Finding the Fourth Proportional to 2,999,078.57, 4,138,719.30 and 1,622,421.86

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Solution

The fourth proportional to 2,999,078.57, 4,138,719.30 and 1,622,421.86 is: 2,238,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,078.57 : 4,138,719.30 = 1,622,421.86 : x
  2. Step 2: Convert to fraction form
    2,999,078.57/4,138,719.30 = 1,622,421.86/x
  3. Step 3: Cross multiply
    2,999,078.57x = 4,138,719.30 × 1,622,421.86
  4. Step 4: Simplify right side
    2,999,078.57x = 6,714,748,664,723.90
  5. Step 5: Solve for x
    x = 6,714,748,664,723.90/2,999,078.57
  6. Step 6: Final answer
    x = 2,238,937.23

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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.