Home / 1,901,237.40-2,851,856.10-1,819,330.20

Finding the Fourth Proportional to 1,901,237.40, 2,851,856.10 and 1,819,330.20

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Solution

The fourth proportional to 1,901,237.40, 2,851,856.10 and 1,819,330.20 is: 2,728,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,237.40 : 2,851,856.10 = 1,819,330.20 : x
  2. Step 2: Convert to fraction form
    1,901,237.40/2,851,856.10 = 1,819,330.20/x
  3. Step 3: Cross multiply
    1,901,237.40x = 2,851,856.10 × 1,819,330.20
  4. Step 4: Simplify right side
    1,901,237.40x = 5,188,467,928,784.22
  5. Step 5: Solve for x
    x = 5,188,467,928,784.22/1,901,237.40
  6. Step 6: Final answer
    x = 2,728,995.30

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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.