Home / 1,964,974.40-2,711,636.90-1,105,532.61

Finding the Fourth Proportional to 1,964,974.40, 2,711,636.90 and 1,105,532.61

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Solution

The fourth proportional to 1,964,974.40, 2,711,636.90 and 1,105,532.61 is: 1,525,619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,974.40 : 2,711,636.90 = 1,105,532.61 : x
  2. Step 2: Convert to fraction form
    1,964,974.40/2,711,636.90 = 1,105,532.61/x
  3. Step 3: Cross multiply
    1,964,974.40x = 2,711,636.90 × 1,105,532.61
  4. Step 4: Simplify right side
    1,964,974.40x = 2,997,803,019,429.31
  5. Step 5: Solve for x
    x = 2,997,803,019,429.31/1,964,974.40
  6. Step 6: Final answer
    x = 1,525,619.38

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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.