Home / 1,964,974.49-2,711,637-1,105,532.69

Finding the Fourth Proportional to 1,964,974.49, 2,711,637 and 1,105,532.69

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Solution

The fourth proportional to 1,964,974.49, 2,711,637 and 1,105,532.69 is: 1,525,619.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,974.49 : 2,711,637 = 1,105,532.69 : x
  2. Step 2: Convert to fraction form
    1,964,974.49/2,711,637 = 1,105,532.69/x
  3. Step 3: Cross multiply
    1,964,974.49x = 2,711,637 × 1,105,532.69
  4. Step 4: Simplify right side
    1,964,974.49x = 2,997,803,333,355.35
  5. Step 5: Solve for x
    x = 2,997,803,333,355.35/1,964,974.49
  6. Step 6: Final answer
    x = 1,525,619.47

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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.