Home / 1,910,478.20-2,636,836.37-1,095,228.84

Finding the Fourth Proportional to 1,910,478.20, 2,636,836.37 and 1,095,228.84

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Solution

The fourth proportional to 1,910,478.20, 2,636,836.37 and 1,095,228.84 is: 1,511,631.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,478.20 : 2,636,836.37 = 1,095,228.84 : x
  2. Step 2: Convert to fraction form
    1,910,478.20/2,636,836.37 = 1,095,228.84/x
  3. Step 3: Cross multiply
    1,910,478.20x = 2,636,836.37 × 1,095,228.84
  4. Step 4: Simplify right side
    1,910,478.20x = 2,887,939,233,308.77
  5. Step 5: Solve for x
    x = 2,887,939,233,308.77/1,910,478.20
  6. Step 6: Final answer
    x = 1,511,631.61

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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.