Home / 3,409,907.78-4,711,828.10-2,428,142.35

Finding the Fourth Proportional to 3,409,907.78, 4,711,828.10 and 2,428,142.35

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Solution

The fourth proportional to 3,409,907.78, 4,711,828.10 and 2,428,142.35 is: 3,355,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409,907.78 : 4,711,828.10 = 2,428,142.35 : x
  2. Step 2: Convert to fraction form
    3,409,907.78/4,711,828.10 = 2,428,142.35/x
  3. Step 3: Cross multiply
    3,409,907.78x = 4,711,828.10 × 2,428,142.35
  4. Step 4: Simplify right side
    3,409,907.78x = 11,440,989,349,820.82
  5. Step 5: Solve for x
    x = 11,440,989,349,820.82/3,409,907.78
  6. Step 6: Final answer
    x = 3,355,219.58

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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.