Home / 3,768,966.40-5,655,199.20-1,973,876.80

Finding the Fourth Proportional to 3,768,966.40, 5,655,199.20 and 1,973,876.80

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Solution

The fourth proportional to 3,768,966.40, 5,655,199.20 and 1,973,876.80 is: 2,961,731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,966.40 : 5,655,199.20 = 1,973,876.80 : x
  2. Step 2: Convert to fraction form
    3,768,966.40/5,655,199.20 = 1,973,876.80/x
  3. Step 3: Cross multiply
    3,768,966.40x = 5,655,199.20 × 1,973,876.80
  4. Step 4: Simplify right side
    3,768,966.40x = 11,162,666,500,258.56
  5. Step 5: Solve for x
    x = 11,162,666,500,258.56/3,768,966.40
  6. Step 6: Final answer
    x = 2,961,731.50

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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.