Home / 2,080,123.40-3,120,185.10-1,015,848.20

Finding the Fourth Proportional to 2,080,123.40, 3,120,185.10 and 1,015,848.20

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Solution

The fourth proportional to 2,080,123.40, 3,120,185.10 and 1,015,848.20 is: 1,523,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,123.40 : 3,120,185.10 = 1,015,848.20 : x
  2. Step 2: Convert to fraction form
    2,080,123.40/3,120,185.10 = 1,015,848.20/x
  3. Step 3: Cross multiply
    2,080,123.40x = 3,120,185.10 × 1,015,848.20
  4. Step 4: Simplify right side
    2,080,123.40x = 3,169,634,417,501.82
  5. Step 5: Solve for x
    x = 3,169,634,417,501.82/2,080,123.40
  6. Step 6: Final answer
    x = 1,523,772.30

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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.