Home / 1,572,107.80-2,358,161.70-1,404,146.20

Finding the Fourth Proportional to 1,572,107.80, 2,358,161.70 and 1,404,146.20

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Solution

The fourth proportional to 1,572,107.80, 2,358,161.70 and 1,404,146.20 is: 2,106,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,107.80 : 2,358,161.70 = 1,404,146.20 : x
  2. Step 2: Convert to fraction form
    1,572,107.80/2,358,161.70 = 1,404,146.20/x
  3. Step 3: Cross multiply
    1,572,107.80x = 2,358,161.70 × 1,404,146.20
  4. Step 4: Simplify right side
    1,572,107.80x = 3,311,203,790,040.54
  5. Step 5: Solve for x
    x = 3,311,203,790,040.54/1,572,107.80
  6. Step 6: Final answer
    x = 2,106,219.30

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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.