Home / 5,173,810.44-7,139,865-2,818,997.04

Finding the Fourth Proportional to 5,173,810.44, 7,139,865 and 2,818,997.04

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Solution

The fourth proportional to 5,173,810.44, 7,139,865 and 2,818,997.04 is: 3,890,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,810.44 : 7,139,865 = 2,818,997.04 : x
  2. Step 2: Convert to fraction form
    5,173,810.44/7,139,865 = 2,818,997.04/x
  3. Step 3: Cross multiply
    5,173,810.44x = 7,139,865 × 2,818,997.04
  4. Step 4: Simplify right side
    5,173,810.44x = 20,127,258,300,999.60
  5. Step 5: Solve for x
    x = 20,127,258,300,999.60/5,173,810.44
  6. Step 6: Final answer
    x = 3,890,219.51

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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.