Home / 2,076,085.40-3,114,905.70-814,818.20

Finding the Fourth Proportional to 2,076,085.40, 3,114,905.70 and 814,818.20

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Solution

The fourth proportional to 2,076,085.40, 3,114,905.70 and 814,818.20 is: 1,222,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,085.40 : 3,114,905.70 = 814,818.20 : x
  2. Step 2: Convert to fraction form
    2,076,085.40/3,114,905.70 = 814,818.20/x
  3. Step 3: Cross multiply
    2,076,085.40x = 3,114,905.70 × 814,818.20
  4. Step 4: Simplify right side
    2,076,085.40x = 2,538,081,855,643.74
  5. Step 5: Solve for x
    x = 2,538,081,855,643.74/2,076,085.40
  6. Step 6: Final answer
    x = 1,222,532.49

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1.5x scale

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.