Home / 2,631,146.40-3,630,982.05-1,423,922.40

Finding the Fourth Proportional to 2,631,146.40, 3,630,982.05 and 1,423,922.40

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Solution

The fourth proportional to 2,631,146.40, 3,630,982.05 and 1,423,922.40 is: 1,965,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,146.40 : 3,630,982.05 = 1,423,922.40 : x
  2. Step 2: Convert to fraction form
    2,631,146.40/3,630,982.05 = 1,423,922.40/x
  3. Step 3: Cross multiply
    2,631,146.40x = 3,630,982.05 × 1,423,922.40
  4. Step 4: Simplify right side
    2,631,146.40x = 5,170,236,674,992.92
  5. Step 5: Solve for x
    x = 5,170,236,674,992.92/2,631,146.40
  6. Step 6: Final answer
    x = 1,965,012.92

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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.