Home / 2,889,925.68-3,988,187.45-1,600,886.01

Finding the Fourth Proportional to 2,889,925.68, 3,988,187.45 and 1,600,886.01

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Solution

The fourth proportional to 2,889,925.68, 3,988,187.45 and 1,600,886.01 is: 2,209,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,925.68 : 3,988,187.45 = 1,600,886.01 : x
  2. Step 2: Convert to fraction form
    2,889,925.68/3,988,187.45 = 1,600,886.01/x
  3. Step 3: Cross multiply
    2,889,925.68x = 3,988,187.45 × 1,600,886.01
  4. Step 4: Simplify right side
    2,889,925.68x = 6,384,633,493,962.58
  5. Step 5: Solve for x
    x = 6,384,633,493,962.58/2,889,925.68
  6. Step 6: Final answer
    x = 2,209,272.56

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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.