Home / 6,407,361.79-8,842,182.70-3,467,178.90

Finding the Fourth Proportional to 6,407,361.79, 8,842,182.70 and 3,467,178.90

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Solution

The fourth proportional to 6,407,361.79, 8,842,182.70 and 3,467,178.90 is: 4,784,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407,361.79 : 8,842,182.70 = 3,467,178.90 : x
  2. Step 2: Convert to fraction form
    6,407,361.79/8,842,182.70 = 3,467,178.90/x
  3. Step 3: Cross multiply
    6,407,361.79x = 8,842,182.70 × 3,467,178.90
  4. Step 4: Simplify right side
    6,407,361.79x = 30,657,429,311,875.27
  5. Step 5: Solve for x
    x = 30,657,429,311,875.27/6,407,361.79
  6. Step 6: Final answer
    x = 4,784,719.57

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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.