Home / 3,872,560.64-5,343,968.80-2,130,119.46

Finding the Fourth Proportional to 3,872,560.64, 5,343,968.80 and 2,130,119.46

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Solution

The fourth proportional to 3,872,560.64, 5,343,968.80 and 2,130,119.46 is: 2,939,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,560.64 : 5,343,968.80 = 2,130,119.46 : x
  2. Step 2: Convert to fraction form
    3,872,560.64/5,343,968.80 = 2,130,119.46/x
  3. Step 3: Cross multiply
    3,872,560.64x = 5,343,968.80 × 2,130,119.46
  4. Step 4: Simplify right side
    3,872,560.64x = 11,383,291,934,512.85
  5. Step 5: Solve for x
    x = 11,383,291,934,512.85/3,872,560.64
  6. Step 6: Final answer
    x = 2,939,474.16

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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.