Home / 3,630,784.78-5,011,154.94-2,102,891.50

Finding the Fourth Proportional to 3,630,784.78, 5,011,154.94 and 2,102,891.50

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Solution

The fourth proportional to 3,630,784.78, 5,011,154.94 and 2,102,891.50 is: 2,902,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630,784.78 : 5,011,154.94 = 2,102,891.50 : x
  2. Step 2: Convert to fraction form
    3,630,784.78/5,011,154.94 = 2,102,891.50/x
  3. Step 3: Cross multiply
    3,630,784.78x = 5,011,154.94 × 2,102,891.50
  4. Step 4: Simplify right side
    3,630,784.78x = 10,537,915,128,509.01
  5. Step 5: Solve for x
    x = 10,537,915,128,509.01/3,630,784.78
  6. Step 6: Final answer
    x = 2,902,379.45

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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.