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Finding the Fourth Proportional to 3,318,672, 4,978,008 and 954,768

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Solution

The fourth proportional to 3,318,672, 4,978,008 and 954,768 is: 1,432,152

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,672 : 4,978,008 = 954,768 : x
  2. Step 2: Convert to fraction form
    3,318,672/4,978,008 = 954,768/x
  3. Step 3: Cross multiply
    3,318,672x = 4,978,008 × 954,768
  4. Step 4: Simplify right side
    3,318,672x = 4,752,842,742,144
  5. Step 5: Solve for x
    x = 4,752,842,742,144/3,318,672
  6. Step 6: Final answer
    x = 1,432,152

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