Home / 1,775,141.80-2,662,712.70-1,355,237.80

Finding the Fourth Proportional to 1,775,141.80, 2,662,712.70 and 1,355,237.80

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Solution

The fourth proportional to 1,775,141.80, 2,662,712.70 and 1,355,237.80 is: 2,032,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,141.80 : 2,662,712.70 = 1,355,237.80 : x
  2. Step 2: Convert to fraction form
    1,775,141.80/2,662,712.70 = 1,355,237.80/x
  3. Step 3: Cross multiply
    1,775,141.80x = 2,662,712.70 × 1,355,237.80
  4. Step 4: Simplify right side
    1,775,141.80x = 3,608,608,901,580.06
  5. Step 5: Solve for x
    x = 3,608,608,901,580.06/1,775,141.80
  6. Step 6: Final answer
    x = 2,032,856.70

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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.