Home / 3,138,925.08-4,333,032.90-2,121,707.64

Finding the Fourth Proportional to 3,138,925.08, 4,333,032.90 and 2,121,707.64

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Solution

The fourth proportional to 3,138,925.08, 4,333,032.90 and 2,121,707.64 is: 2,928,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,925.08 : 4,333,032.90 = 2,121,707.64 : x
  2. Step 2: Convert to fraction form
    3,138,925.08/4,333,032.90 = 2,121,707.64/x
  3. Step 3: Cross multiply
    3,138,925.08x = 4,333,032.90 × 2,121,707.64
  4. Step 4: Simplify right side
    3,138,925.08x = 9,193,429,008,301.36
  5. Step 5: Solve for x
    x = 9,193,429,008,301.36/3,138,925.08
  6. Step 6: Final answer
    x = 2,928,846.27

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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.