Home / 2,219,153.84-3,328,920.51-779,712.14

Finding the Fourth Proportional to 2,219,153.84, 3,328,920.51 and 779,712.14

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Solution

The fourth proportional to 2,219,153.84, 3,328,920.51 and 779,712.14 is: 1,169,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,153.84 : 3,328,920.51 = 779,712.14 : x
  2. Step 2: Convert to fraction form
    2,219,153.84/3,328,920.51 = 779,712.14/x
  3. Step 3: Cross multiply
    2,219,153.84x = 3,328,920.51 × 779,712.14
  4. Step 4: Simplify right side
    2,219,153.84x = 2,595,599,716,148.11
  5. Step 5: Solve for x
    x = 2,595,599,716,148.11/2,219,153.84
  6. Step 6: Final answer
    x = 1,169,634.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.