Home / 1,591,291.70-2,385,038.88-1,108,906.46

Finding the Fourth Proportional to 1,591,291.70, 2,385,038.88 and 1,108,906.46

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Solution

The fourth proportional to 1,591,291.70, 2,385,038.88 and 1,108,906.46 is: 1,662,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,291.70 : 2,385,038.88 = 1,108,906.46 : x
  2. Step 2: Convert to fraction form
    1,591,291.70/2,385,038.88 = 1,108,906.46/x
  3. Step 3: Cross multiply
    1,591,291.70x = 2,385,038.88 × 1,108,906.46
  4. Step 4: Simplify right side
    1,591,291.70x = 2,644,785,021,383.16
  5. Step 5: Solve for x
    x = 2,644,785,021,383.16/1,591,291.70
  6. Step 6: Final answer
    x = 1,662,036.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.