Home / 3,938,245.60-5,907,368.40-946,429.60

Finding the Fourth Proportional to 3,938,245.60, 5,907,368.40 and 946,429.60

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Solution

The fourth proportional to 3,938,245.60, 5,907,368.40 and 946,429.60 is: 1,419,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,245.60 : 5,907,368.40 = 946,429.60 : x
  2. Step 2: Convert to fraction form
    3,938,245.60/5,907,368.40 = 946,429.60/x
  3. Step 3: Cross multiply
    3,938,245.60x = 5,907,368.40 × 946,429.60
  4. Step 4: Simplify right side
    3,938,245.60x = 5,590,908,311,864.64
  5. Step 5: Solve for x
    x = 5,590,908,311,864.64/3,938,245.60
  6. Step 6: Final answer
    x = 1,419,644.40

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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.