Home / 2,867,358.69-3,956,501.52-1,643,428.44

Finding the Fourth Proportional to 2,867,358.69, 3,956,501.52 and 1,643,428.44

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Solution

The fourth proportional to 2,867,358.69, 3,956,501.52 and 1,643,428.44 is: 2,267,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,358.69 : 3,956,501.52 = 1,643,428.44 : x
  2. Step 2: Convert to fraction form
    2,867,358.69/3,956,501.52 = 1,643,428.44/x
  3. Step 3: Cross multiply
    2,867,358.69x = 3,956,501.52 × 1,643,428.44
  4. Step 4: Simplify right side
    2,867,358.69x = 6,502,227,120,871.23
  5. Step 5: Solve for x
    x = 6,502,227,120,871.23/2,867,358.69
  6. Step 6: Final answer
    x = 2,267,671.34

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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.