Home / 1,880,840.69-2,596,354.77-1,269,821.15

Finding the Fourth Proportional to 1,880,840.69, 2,596,354.77 and 1,269,821.15

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Solution

The fourth proportional to 1,880,840.69, 2,596,354.77 and 1,269,821.15 is: 1,752,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,840.69 : 2,596,354.77 = 1,269,821.15 : x
  2. Step 2: Convert to fraction form
    1,880,840.69/2,596,354.77 = 1,269,821.15/x
  3. Step 3: Cross multiply
    1,880,840.69x = 2,596,354.77 × 1,269,821.15
  4. Step 4: Simplify right side
    1,880,840.69x = 3,296,906,199,849.39
  5. Step 5: Solve for x
    x = 3,296,906,199,849.39/1,880,840.69
  6. Step 6: Final answer
    x = 1,752,889.66

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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.