Home / 3,983,205.20-5,974,116.60-1,457,560.40

Finding the Fourth Proportional to 3,983,205.20, 5,974,116.60 and 1,457,560.40

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Solution

The fourth proportional to 3,983,205.20, 5,974,116.60 and 1,457,560.40 is: 2,186,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983,205.20 : 5,974,116.60 = 1,457,560.40 : x
  2. Step 2: Convert to fraction form
    3,983,205.20/5,974,116.60 = 1,457,560.40/x
  3. Step 3: Cross multiply
    3,983,205.20x = 5,974,116.60 × 1,457,560.40
  4. Step 4: Simplify right side
    3,983,205.20x = 8,707,635,781,142.64
  5. Step 5: Solve for x
    x = 8,707,635,781,142.64/3,983,205.20
  6. Step 6: Final answer
    x = 2,186,087.67

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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.