Home / 2,170,203.71-2,994,605.86-1,189,884.77

Finding the Fourth Proportional to 2,170,203.71, 2,994,605.86 and 1,189,884.77

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Solution

The fourth proportional to 2,170,203.71, 2,994,605.86 and 1,189,884.77 is: 1,641,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,203.71 : 2,994,605.86 = 1,189,884.77 : x
  2. Step 2: Convert to fraction form
    2,170,203.71/2,994,605.86 = 1,189,884.77/x
  3. Step 3: Cross multiply
    2,170,203.71x = 2,994,605.86 × 1,189,884.77
  4. Step 4: Simplify right side
    2,170,203.71x = 3,563,235,911,858.07
  5. Step 5: Solve for x
    x = 3,563,235,911,858.07/2,170,203.71
  6. Step 6: Final answer
    x = 1,641,890.06

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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.