Home / 2,800,656.60-4,201,503.30-907,459.80

Finding the Fourth Proportional to 2,800,656.60, 4,201,503.30 and 907,459.80

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Solution

The fourth proportional to 2,800,656.60, 4,201,503.30 and 907,459.80 is: 1,361,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,656.60 : 4,201,503.30 = 907,459.80 : x
  2. Step 2: Convert to fraction form
    2,800,656.60/4,201,503.30 = 907,459.80/x
  3. Step 3: Cross multiply
    2,800,656.60x = 4,201,503.30 × 907,459.80
  4. Step 4: Simplify right side
    2,800,656.60x = 3,812,695,344,317.34
  5. Step 5: Solve for x
    x = 3,812,695,344,317.34/2,800,656.60
  6. Step 6: Final answer
    x = 1,361,357.67

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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.