Home / 2,915,744.80-4,373,617.20-1,640,286.40

Finding the Fourth Proportional to 2,915,744.80, 4,373,617.20 and 1,640,286.40

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Solution

The fourth proportional to 2,915,744.80, 4,373,617.20 and 1,640,286.40 is: 2,460,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,744.80 : 4,373,617.20 = 1,640,286.40 : x
  2. Step 2: Convert to fraction form
    2,915,744.80/4,373,617.20 = 1,640,286.40/x
  3. Step 3: Cross multiply
    2,915,744.80x = 4,373,617.20 × 1,640,286.40
  4. Step 4: Simplify right side
    2,915,744.80x = 7,173,984,811,966.08
  5. Step 5: Solve for x
    x = 7,173,984,811,966.08/2,915,744.80
  6. Step 6: Final answer
    x = 2,460,429.60

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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.