Home / 4,218,403.32-6,328,654.74-1,226,587.32

Finding the Fourth Proportional to 4,218,403.32, 6,328,654.74 and 1,226,587.32

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Solution

The fourth proportional to 4,218,403.32, 6,328,654.74 and 1,226,587.32 is: 1,840,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218,403.32 : 6,328,654.74 = 1,226,587.32 : x
  2. Step 2: Convert to fraction form
    4,218,403.32/6,328,654.74 = 1,226,587.32/x
  3. Step 3: Cross multiply
    4,218,403.32x = 6,328,654.74 × 1,226,587.32
  4. Step 4: Simplify right side
    4,218,403.32x = 7,762,647,656,741.90
  5. Step 5: Solve for x
    x = 7,762,647,656,741.90/4,218,403.32
  6. Step 6: Final answer
    x = 1,840,186.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.