Home / 5,389,432.38-7,439,841.63-3,554,976.78

Finding the Fourth Proportional to 5,389,432.38, 7,439,841.63 and 3,554,976.78

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Solution

The fourth proportional to 5,389,432.38, 7,439,841.63 and 3,554,976.78 is: 4,907,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,432.38 : 7,439,841.63 = 3,554,976.78 : x
  2. Step 2: Convert to fraction form
    5,389,432.38/7,439,841.63 = 3,554,976.78/x
  3. Step 3: Cross multiply
    5,389,432.38x = 7,439,841.63 × 3,554,976.78
  4. Step 4: Simplify right side
    5,389,432.38x = 26,448,464,241,527.35
  5. Step 5: Solve for x
    x = 26,448,464,241,527.35/5,389,432.38
  6. Step 6: Final answer
    x = 4,907,467.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.