Home / 2,889,884.81-3,988,041.35-1,600,808.69

Finding the Fourth Proportional to 2,889,884.81, 3,988,041.35 and 1,600,808.69

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Solution

The fourth proportional to 2,889,884.81, 3,988,041.35 and 1,600,808.69 is: 2,209,116.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,884.81 : 3,988,041.35 = 1,600,808.69 : x
  2. Step 2: Convert to fraction form
    2,889,884.81/3,988,041.35 = 1,600,808.69/x
  3. Step 3: Cross multiply
    2,889,884.81x = 3,988,041.35 × 1,600,808.69
  4. Step 4: Simplify right side
    2,889,884.81x = 6,384,091,251,125.39
  5. Step 5: Solve for x
    x = 6,384,091,251,125.39/2,889,884.81
  6. Step 6: Final answer
    x = 2,209,116.16

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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.