Home / 6,142,808.40-9,214,212.60-2,947,390.80

Finding the Fourth Proportional to 6,142,808.40, 9,214,212.60 and 2,947,390.80

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Solution

The fourth proportional to 6,142,808.40, 9,214,212.60 and 2,947,390.80 is: 4,421,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142,808.40 : 9,214,212.60 = 2,947,390.80 : x
  2. Step 2: Convert to fraction form
    6,142,808.40/9,214,212.60 = 2,947,390.80/x
  3. Step 3: Cross multiply
    6,142,808.40x = 9,214,212.60 × 2,947,390.80
  4. Step 4: Simplify right side
    6,142,808.40x = 27,157,885,446,484.08
  5. Step 5: Solve for x
    x = 27,157,885,446,484.08/6,142,808.40
  6. Step 6: Final answer
    x = 4,421,086.20

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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.