Home / 2,646,077.80-3,969,116.70-1,384,292.20

Finding the Fourth Proportional to 2,646,077.80, 3,969,116.70 and 1,384,292.20

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Solution

The fourth proportional to 2,646,077.80, 3,969,116.70 and 1,384,292.20 is: 2,076,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,077.80 : 3,969,116.70 = 1,384,292.20 : x
  2. Step 2: Convert to fraction form
    2,646,077.80/3,969,116.70 = 1,384,292.20/x
  3. Step 3: Cross multiply
    2,646,077.80x = 3,969,116.70 × 1,384,292.20
  4. Step 4: Simplify right side
    2,646,077.80x = 5,494,417,288,699.74
  5. Step 5: Solve for x
    x = 5,494,417,288,699.74/2,646,077.80
  6. Step 6: Final answer
    x = 2,076,438.30

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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.