Home / 2,692,704.80-4,032,058.80-2,128,167.20

Finding the Fourth Proportional to 2,692,704.80, 4,032,058.80 and 2,128,167.20

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Solution

The fourth proportional to 2,692,704.80, 4,032,058.80 and 2,128,167.20 is: 3,186,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,704.80 : 4,032,058.80 = 2,128,167.20 : x
  2. Step 2: Convert to fraction form
    2,692,704.80/4,032,058.80 = 2,128,167.20/x
  3. Step 3: Cross multiply
    2,692,704.80x = 4,032,058.80 × 2,128,167.20
  4. Step 4: Simplify right side
    2,692,704.80x = 8,580,895,286,631.36
  5. Step 5: Solve for x
    x = 8,580,895,286,631.36/2,692,704.80
  6. Step 6: Final answer
    x = 3,186,719.65

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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.