Home / 2,630,679.60-3,946,019.40-1,213,503.60

Finding the Fourth Proportional to 2,630,679.60, 3,946,019.40 and 1,213,503.60

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Solution

The fourth proportional to 2,630,679.60, 3,946,019.40 and 1,213,503.60 is: 1,820,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,679.60 : 3,946,019.40 = 1,213,503.60 : x
  2. Step 2: Convert to fraction form
    2,630,679.60/3,946,019.40 = 1,213,503.60/x
  3. Step 3: Cross multiply
    2,630,679.60x = 3,946,019.40 × 1,213,503.60
  4. Step 4: Simplify right side
    2,630,679.60x = 4,788,508,747,569.84
  5. Step 5: Solve for x
    x = 4,788,508,747,569.84/2,630,679.60
  6. Step 6: Final answer
    x = 1,820,255.40

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Similar ratio
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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.