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Finding the Fourth Proportional to 3,176,395.84, 4,764,775.40 and 901,742.32

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Solution

The fourth proportional to 3,176,395.84, 4,764,775.40 and 901,742.32 is: 1,352,665.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176,395.84 : 4,764,775.40 = 901,742.32 : x
  2. Step 2: Convert to fraction form
    3,176,395.84/4,764,775.40 = 901,742.32/x
  3. Step 3: Cross multiply
    3,176,395.84x = 4,764,775.40 × 901,742.32
  4. Step 4: Simplify right side
    3,176,395.84x = 4,296,599,623,474.93
  5. Step 5: Solve for x
    x = 4,296,599,623,474.93/3,176,395.84
  6. Step 6: Final answer
    x = 1,352,665.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.