Home / 1,455,429.70-2,172,911.08-1,112,076.16

Finding the Fourth Proportional to 1,455,429.70, 2,172,911.08 and 1,112,076.16

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Solution

The fourth proportional to 1,455,429.70, 2,172,911.08 and 1,112,076.16 is: 1,660,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,429.70 : 2,172,911.08 = 1,112,076.16 : x
  2. Step 2: Convert to fraction form
    1,455,429.70/2,172,911.08 = 1,112,076.16/x
  3. Step 3: Cross multiply
    1,455,429.70x = 2,172,911.08 × 1,112,076.16
  4. Step 4: Simplify right side
    1,455,429.70x = 2,416,442,609,867.85
  5. Step 5: Solve for x
    x = 2,416,442,609,867.85/1,455,429.70
  6. Step 6: Final answer
    x = 1,660,294.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.