Home / 7,109,783.60-10,664,675.40-1,790,999.60

Finding the Fourth Proportional to 7,109,783.60, 10,664,675.40 and 1,790,999.60

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Solution

The fourth proportional to 7,109,783.60, 10,664,675.40 and 1,790,999.60 is: 2,686,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109,783.60 : 10,664,675.40 = 1,790,999.60 : x
  2. Step 2: Convert to fraction form
    7,109,783.60/10,664,675.40 = 1,790,999.60/x
  3. Step 3: Cross multiply
    7,109,783.60x = 10,664,675.40 × 1,790,999.60
  4. Step 4: Simplify right side
    7,109,783.60x = 19,100,429,375,529.84
  5. Step 5: Solve for x
    x = 19,100,429,375,529.84/7,109,783.60
  6. Step 6: Final answer
    x = 2,686,499.40

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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.