Home / 2,900,275.12-4,002,268.40-1,611,196.56

Finding the Fourth Proportional to 2,900,275.12, 4,002,268.40 and 1,611,196.56

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Solution

The fourth proportional to 2,900,275.12, 4,002,268.40 and 1,611,196.56 is: 2,223,389.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,275.12 : 4,002,268.40 = 1,611,196.56 : x
  2. Step 2: Convert to fraction form
    2,900,275.12/4,002,268.40 = 1,611,196.56/x
  3. Step 3: Cross multiply
    2,900,275.12x = 4,002,268.40 × 1,611,196.56
  4. Step 4: Simplify right side
    2,900,275.12x = 6,448,441,078,276.70
  5. Step 5: Solve for x
    x = 6,448,441,078,276.70/2,900,275.12
  6. Step 6: Final answer
    x = 2,223,389.44

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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.