Home / 2,178,488.32-3,006,083.55-1,211,462.26

Finding the Fourth Proportional to 2,178,488.32, 3,006,083.55 and 1,211,462.26

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Solution

The fourth proportional to 2,178,488.32, 3,006,083.55 and 1,211,462.26 is: 1,671,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,488.32 : 3,006,083.55 = 1,211,462.26 : x
  2. Step 2: Convert to fraction form
    2,178,488.32/3,006,083.55 = 1,211,462.26/x
  3. Step 3: Cross multiply
    2,178,488.32x = 3,006,083.55 × 1,211,462.26
  4. Step 4: Simplify right side
    2,178,488.32x = 3,641,756,771,231.82
  5. Step 5: Solve for x
    x = 3,641,756,771,231.82/2,178,488.32
  6. Step 6: Final answer
    x = 1,671,689.83

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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.