Home / 2,630,354.50-3,629,889.21-1,423,130.50

Finding the Fourth Proportional to 2,630,354.50, 3,629,889.21 and 1,423,130.50

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Solution

The fourth proportional to 2,630,354.50, 3,629,889.21 and 1,423,130.50 is: 1,963,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,354.50 : 3,629,889.21 = 1,423,130.50 : x
  2. Step 2: Convert to fraction form
    2,630,354.50/3,629,889.21 = 1,423,130.50/x
  3. Step 3: Cross multiply
    2,630,354.50x = 3,629,889.21 × 1,423,130.50
  4. Step 4: Simplify right side
    2,630,354.50x = 5,165,806,046,371.91
  5. Step 5: Solve for x
    x = 5,165,806,046,371.91/2,630,354.50
  6. Step 6: Final answer
    x = 1,963,920.09

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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.