Home / 1,964,980.20-2,711,644.89-1,105,538.40

Finding the Fourth Proportional to 1,964,980.20, 2,711,644.89 and 1,105,538.40

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Solution

The fourth proportional to 1,964,980.20, 2,711,644.89 and 1,105,538.40 is: 1,525,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,980.20 : 2,711,644.89 = 1,105,538.40 : x
  2. Step 2: Convert to fraction form
    1,964,980.20/2,711,644.89 = 1,105,538.40/x
  3. Step 3: Cross multiply
    1,964,980.20x = 2,711,644.89 × 1,105,538.40
  4. Step 4: Simplify right side
    1,964,980.20x = 2,997,827,553,058.78
  5. Step 5: Solve for x
    x = 2,997,827,553,058.78/1,964,980.20
  6. Step 6: Final answer
    x = 1,525,627.36

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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.