Home / 4,674,128.40-7,011,192.60-1,479,504.60

Finding the Fourth Proportional to 4,674,128.40, 7,011,192.60 and 1,479,504.60

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Solution

The fourth proportional to 4,674,128.40, 7,011,192.60 and 1,479,504.60 is: 2,219,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674,128.40 : 7,011,192.60 = 1,479,504.60 : x
  2. Step 2: Convert to fraction form
    4,674,128.40/7,011,192.60 = 1,479,504.60/x
  3. Step 3: Cross multiply
    4,674,128.40x = 7,011,192.60 × 1,479,504.60
  4. Step 4: Simplify right side
    4,674,128.40x = 10,373,091,703,185.96
  5. Step 5: Solve for x
    x = 10,373,091,703,185.96/4,674,128.40
  6. Step 6: Final answer
    x = 2,219,256.90

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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.