Home / 5,122,145.40-7,683,218.10-4,828,212.60

Finding the Fourth Proportional to 5,122,145.40, 7,683,218.10 and 4,828,212.60

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Solution

The fourth proportional to 5,122,145.40, 7,683,218.10 and 4,828,212.60 is: 7,242,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122,145.40 : 7,683,218.10 = 4,828,212.60 : x
  2. Step 2: Convert to fraction form
    5,122,145.40/7,683,218.10 = 4,828,212.60/x
  3. Step 3: Cross multiply
    5,122,145.40x = 7,683,218.10 × 4,828,212.60
  4. Step 4: Simplify right side
    5,122,145.40x = 37,096,210,438,968.05
  5. Step 5: Solve for x
    x = 37,096,210,438,968.05/5,122,145.40
  6. Step 6: Final answer
    x = 7,242,318.90

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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.