Home / 2,669,019.20-4,003,528.80-985,774.40

Finding the Fourth Proportional to 2,669,019.20, 4,003,528.80 and 985,774.40

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Solution

The fourth proportional to 2,669,019.20, 4,003,528.80 and 985,774.40 is: 1,478,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,019.20 : 4,003,528.80 = 985,774.40 : x
  2. Step 2: Convert to fraction form
    2,669,019.20/4,003,528.80 = 985,774.40/x
  3. Step 3: Cross multiply
    2,669,019.20x = 4,003,528.80 × 985,774.40
  4. Step 4: Simplify right side
    2,669,019.20x = 3,946,576,200,702.72
  5. Step 5: Solve for x
    x = 3,946,576,200,702.72/2,669,019.20
  6. Step 6: Final answer
    x = 1,478,661.60

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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.