Home / 1,662,576.47-2,293,964.19-1,009,186.40

Finding the Fourth Proportional to 1,662,576.47, 2,293,964.19 and 1,009,186.40

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Solution

The fourth proportional to 1,662,576.47, 2,293,964.19 and 1,009,186.40 is: 1,392,439.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,576.47 : 2,293,964.19 = 1,009,186.40 : x
  2. Step 2: Convert to fraction form
    1,662,576.47/2,293,964.19 = 1,009,186.40/x
  3. Step 3: Cross multiply
    1,662,576.47x = 2,293,964.19 × 1,009,186.40
  4. Step 4: Simplify right side
    1,662,576.47x = 2,315,037,468,369.93
  5. Step 5: Solve for x
    x = 2,315,037,468,369.93/1,662,576.47
  6. Step 6: Final answer
    x = 1,392,439.69

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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.