Home / 3,137,040-4,703,661.72-1,407,592.80

Finding the Fourth Proportional to 3,137,040, 4,703,661.72 and 1,407,592.80

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Solution

The fourth proportional to 3,137,040, 4,703,661.72 and 1,407,592.80 is: 2,110,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137,040 : 4,703,661.72 = 1,407,592.80 : x
  2. Step 2: Convert to fraction form
    3,137,040/4,703,661.72 = 1,407,592.80/x
  3. Step 3: Cross multiply
    3,137,040x = 4,703,661.72 × 1,407,592.80
  4. Step 4: Simplify right side
    3,137,040x = 6,620,840,370,707.62
  5. Step 5: Solve for x
    x = 6,620,840,370,707.62/3,137,040
  6. Step 6: Final answer
    x = 2,110,537.44

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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.