Home / 3,448,853.43-4,759,419.24-1,999,389.21

Finding the Fourth Proportional to 3,448,853.43, 4,759,419.24 and 1,999,389.21

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Solution

The fourth proportional to 3,448,853.43, 4,759,419.24 and 1,999,389.21 is: 2,759,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,853.43 : 4,759,419.24 = 1,999,389.21 : x
  2. Step 2: Convert to fraction form
    3,448,853.43/4,759,419.24 = 1,999,389.21/x
  3. Step 3: Cross multiply
    3,448,853.43x = 4,759,419.24 × 1,999,389.21
  4. Step 4: Simplify right side
    3,448,853.43x = 9,515,931,474,322.40
  5. Step 5: Solve for x
    x = 9,515,931,474,322.40/3,448,853.43
  6. Step 6: Final answer
    x = 2,759,157.98

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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.