Home / 2,631,089.20-3,630,903.07-1,423,865.20

Finding the Fourth Proportional to 2,631,089.20, 3,630,903.07 and 1,423,865.20

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Solution

The fourth proportional to 2,631,089.20, 3,630,903.07 and 1,423,865.20 is: 1,964,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,089.20 : 3,630,903.07 = 1,423,865.20 : x
  2. Step 2: Convert to fraction form
    2,631,089.20/3,630,903.07 = 1,423,865.20/x
  3. Step 3: Cross multiply
    2,631,089.20x = 3,630,903.07 × 1,423,865.20
  4. Step 4: Simplify right side
    2,631,089.20x = 5,169,916,525,946.16
  5. Step 5: Solve for x
    x = 5,169,916,525,946.16/2,631,089.20
  6. Step 6: Final answer
    x = 1,964,933.96

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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.