Home / 2,180,765.84-3,009,424.64-1,213,894.72

Finding the Fourth Proportional to 2,180,765.84, 3,009,424.64 and 1,213,894.72

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Solution

The fourth proportional to 2,180,765.84, 3,009,424.64 and 1,213,894.72 is: 1,675,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,765.84 : 3,009,424.64 = 1,213,894.72 : x
  2. Step 2: Convert to fraction form
    2,180,765.84/3,009,424.64 = 1,213,894.72/x
  3. Step 3: Cross multiply
    2,180,765.84x = 3,009,424.64 × 1,213,894.72
  4. Step 4: Simplify right side
    2,180,765.84x = 3,653,124,680,733.90
  5. Step 5: Solve for x
    x = 3,653,124,680,733.90/2,180,765.84
  6. Step 6: Final answer
    x = 1,675,156.78

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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.