Home / 2,105,603.46-3,159,649.35-776,840.58

Finding the Fourth Proportional to 2,105,603.46, 3,159,649.35 and 776,840.58

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Solution

The fourth proportional to 2,105,603.46, 3,159,649.35 and 776,840.58 is: 1,165,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,603.46 : 3,159,649.35 = 776,840.58 : x
  2. Step 2: Convert to fraction form
    2,105,603.46/3,159,649.35 = 776,840.58/x
  3. Step 3: Cross multiply
    2,105,603.46x = 3,159,649.35 × 776,840.58
  4. Step 4: Simplify right side
    2,105,603.46x = 2,454,543,833,650.62
  5. Step 5: Solve for x
    x = 2,454,543,833,650.62/2,105,603.46
  6. Step 6: Final answer
    x = 1,165,719.89

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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.