Home / 4,918,666.40-7,377,999.60-4,021,121.60

Finding the Fourth Proportional to 4,918,666.40, 7,377,999.60 and 4,021,121.60

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Solution

The fourth proportional to 4,918,666.40, 7,377,999.60 and 4,021,121.60 is: 6,031,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918,666.40 : 7,377,999.60 = 4,021,121.60 : x
  2. Step 2: Convert to fraction form
    4,918,666.40/7,377,999.60 = 4,021,121.60/x
  3. Step 3: Cross multiply
    4,918,666.40x = 7,377,999.60 × 4,021,121.60
  4. Step 4: Simplify right side
    4,918,666.40x = 29,667,833,556,351.36
  5. Step 5: Solve for x
    x = 29,667,833,556,351.36/4,918,666.40
  6. Step 6: Final answer
    x = 6,031,682.40

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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.