Home / 5,120,137.18-7,066,003.86-2,944,681.80

Finding the Fourth Proportional to 5,120,137.18, 7,066,003.86 and 2,944,681.80

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Solution

The fourth proportional to 5,120,137.18, 7,066,003.86 and 2,944,681.80 is: 4,063,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,137.18 : 7,066,003.86 = 2,944,681.80 : x
  2. Step 2: Convert to fraction form
    5,120,137.18/7,066,003.86 = 2,944,681.80/x
  3. Step 3: Cross multiply
    5,120,137.18x = 7,066,003.86 × 2,944,681.80
  4. Step 4: Simplify right side
    5,120,137.18x = 20,807,132,950,548.34
  5. Step 5: Solve for x
    x = 20,807,132,950,548.34/5,120,137.18
  6. Step 6: Final answer
    x = 4,063,784.28

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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.