Home / 2,229,146.40-3,076,221.72-1,262,276.40

Finding the Fourth Proportional to 2,229,146.40, 3,076,221.72 and 1,262,276.40

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Solution

The fourth proportional to 2,229,146.40, 3,076,221.72 and 1,262,276.40 is: 1,741,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229,146.40 : 3,076,221.72 = 1,262,276.40 : x
  2. Step 2: Convert to fraction form
    2,229,146.40/3,076,221.72 = 1,262,276.40/x
  3. Step 3: Cross multiply
    2,229,146.40x = 3,076,221.72 × 1,262,276.40
  4. Step 4: Simplify right side
    2,229,146.40x = 3,883,042,078,323.41
  5. Step 5: Solve for x
    x = 3,883,042,078,323.41/2,229,146.40
  6. Step 6: Final answer
    x = 1,741,941.26

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1.5x scale

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.