Home / 2,076,009.90-3,114,014.85-1,222,205.10

Finding the Fourth Proportional to 2,076,009.90, 3,114,014.85 and 1,222,205.10

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Solution

The fourth proportional to 2,076,009.90, 3,114,014.85 and 1,222,205.10 is: 1,833,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,009.90 : 3,114,014.85 = 1,222,205.10 : x
  2. Step 2: Convert to fraction form
    2,076,009.90/3,114,014.85 = 1,222,205.10/x
  3. Step 3: Cross multiply
    2,076,009.90x = 3,114,014.85 × 1,222,205.10
  4. Step 4: Simplify right side
    2,076,009.90x = 3,805,964,831,145.74
  5. Step 5: Solve for x
    x = 3,805,964,831,145.74/2,076,009.90
  6. Step 6: Final answer
    x = 1,833,307.65

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Similar ratio
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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.