Home / 4,172,172.03-5,756,939.73-2,430,128.12

Finding the Fourth Proportional to 4,172,172.03, 5,756,939.73 and 2,430,128.12

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Solution

The fourth proportional to 4,172,172.03, 5,756,939.73 and 2,430,128.12 is: 3,353,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172,172.03 : 5,756,939.73 = 2,430,128.12 : x
  2. Step 2: Convert to fraction form
    4,172,172.03/5,756,939.73 = 2,430,128.12/x
  3. Step 3: Cross multiply
    4,172,172.03x = 5,756,939.73 × 2,430,128.12
  4. Step 4: Simplify right side
    4,172,172.03x = 13,990,101,094,233.51
  5. Step 5: Solve for x
    x = 13,990,101,094,233.51/4,172,172.03
  6. Step 6: Final answer
    x = 3,353,193.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.