Home / 2,160,002.80-3,237,930.60-1,679,964.40

Finding the Fourth Proportional to 2,160,002.80, 3,237,930.60 and 1,679,964.40

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Solution

The fourth proportional to 2,160,002.80, 3,237,930.60 and 1,679,964.40 is: 2,518,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,002.80 : 3,237,930.60 = 1,679,964.40 : x
  2. Step 2: Convert to fraction form
    2,160,002.80/3,237,930.60 = 1,679,964.40/x
  3. Step 3: Cross multiply
    2,160,002.80x = 3,237,930.60 × 1,679,964.40
  4. Step 4: Simplify right side
    2,160,002.80x = 5,439,608,137,670.64
  5. Step 5: Solve for x
    x = 5,439,608,137,670.64/2,160,002.80
  6. Step 6: Final answer
    x = 2,518,333.84

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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.