Home / 2,912,097.28-4,018,697.40-1,622,908.48

Finding the Fourth Proportional to 2,912,097.28, 4,018,697.40 and 1,622,908.48

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Solution

The fourth proportional to 2,912,097.28, 4,018,697.40 and 1,622,908.48 is: 2,239,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,097.28 : 4,018,697.40 = 1,622,908.48 : x
  2. Step 2: Convert to fraction form
    2,912,097.28/4,018,697.40 = 1,622,908.48/x
  3. Step 3: Cross multiply
    2,912,097.28x = 4,018,697.40 × 1,622,908.48
  4. Step 4: Simplify right side
    2,912,097.28x = 6,521,978,089,013.95
  5. Step 5: Solve for x
    x = 6,521,978,089,013.95/2,912,097.28
  6. Step 6: Final answer
    x = 2,239,615.46

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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.