Home / 1,556,141.40-2,335,961.70-1,202,722.20

Finding the Fourth Proportional to 1,556,141.40, 2,335,961.70 and 1,202,722.20

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Solution

The fourth proportional to 1,556,141.40, 2,335,961.70 and 1,202,722.20 is: 1,805,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,141.40 : 2,335,961.70 = 1,202,722.20 : x
  2. Step 2: Convert to fraction form
    1,556,141.40/2,335,961.70 = 1,202,722.20/x
  3. Step 3: Cross multiply
    1,556,141.40x = 2,335,961.70 × 1,202,722.20
  4. Step 4: Simplify right side
    1,556,141.40x = 2,809,512,994,939.74
  5. Step 5: Solve for x
    x = 2,809,512,994,939.74/1,556,141.40
  6. Step 6: Final answer
    x = 1,805,435.54

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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.