Home / 1,869,204.12-2,579,498.42-1,009,761.72

Finding the Fourth Proportional to 1,869,204.12, 2,579,498.42 and 1,009,761.72

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Solution

The fourth proportional to 1,869,204.12, 2,579,498.42 and 1,009,761.72 is: 1,393,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,204.12 : 2,579,498.42 = 1,009,761.72 : x
  2. Step 2: Convert to fraction form
    1,869,204.12/2,579,498.42 = 1,009,761.72/x
  3. Step 3: Cross multiply
    1,869,204.12x = 2,579,498.42 × 1,009,761.72
  4. Step 4: Simplify right side
    1,869,204.12x = 2,604,678,761,316.48
  5. Step 5: Solve for x
    x = 2,604,678,761,316.48/1,869,204.12
  6. Step 6: Final answer
    x = 1,393,469.41

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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.