Home / 5,185,937.76-7,778,844.08-1,347,420.48

Finding the Fourth Proportional to 5,185,937.76, 7,778,844.08 and 1,347,420.48

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Solution

The fourth proportional to 5,185,937.76, 7,778,844.08 and 1,347,420.48 is: 2,021,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,937.76 : 7,778,844.08 = 1,347,420.48 : x
  2. Step 2: Convert to fraction form
    5,185,937.76/7,778,844.08 = 1,347,420.48/x
  3. Step 3: Cross multiply
    5,185,937.76x = 7,778,844.08 × 1,347,420.48
  4. Step 4: Simplify right side
    5,185,937.76x = 10,481,373,824,118.76
  5. Step 5: Solve for x
    x = 10,481,373,824,118.76/5,185,937.76
  6. Step 6: Final answer
    x = 2,021,114.47

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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.