Home / 1,663,418.20-2,490,461.70-1,616,762.20

Finding the Fourth Proportional to 1,663,418.20, 2,490,461.70 and 1,616,762.20

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Solution

The fourth proportional to 1,663,418.20, 2,490,461.70 and 1,616,762.20 is: 2,420,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,418.20 : 2,490,461.70 = 1,616,762.20 : x
  2. Step 2: Convert to fraction form
    1,663,418.20/2,490,461.70 = 1,616,762.20/x
  3. Step 3: Cross multiply
    1,663,418.20x = 2,490,461.70 × 1,616,762.20
  4. Step 4: Simplify right side
    1,663,418.20x = 4,026,484,337,107.74
  5. Step 5: Solve for x
    x = 4,026,484,337,107.74/1,663,418.20
  6. Step 6: Final answer
    x = 2,420,608.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.