Home / 2,630,397.75-3,629,948.90-1,423,173.75

Finding the Fourth Proportional to 2,630,397.75, 3,629,948.90 and 1,423,173.75

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Solution

The fourth proportional to 2,630,397.75, 3,629,948.90 and 1,423,173.75 is: 1,963,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,397.75 : 3,629,948.90 = 1,423,173.75 : x
  2. Step 2: Convert to fraction form
    2,630,397.75/3,629,948.90 = 1,423,173.75/x
  3. Step 3: Cross multiply
    2,630,397.75x = 3,629,948.90 × 1,423,173.75
  4. Step 4: Simplify right side
    2,630,397.75x = 5,166,047,981,205.51
  5. Step 5: Solve for x
    x = 5,166,047,981,205.51/2,630,397.75
  6. Step 6: Final answer
    x = 1,963,979.78

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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.