Home / 2,170,210.07-2,994,614.60-1,189,891.11

Finding the Fourth Proportional to 2,170,210.07, 2,994,614.60 and 1,189,891.11

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Solution

The fourth proportional to 2,170,210.07, 2,994,614.60 and 1,189,891.11 is: 1,641,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,210.07 : 2,994,614.60 = 1,189,891.11 : x
  2. Step 2: Convert to fraction form
    2,170,210.07/2,994,614.60 = 1,189,891.11/x
  3. Step 3: Cross multiply
    2,170,210.07x = 2,994,614.60 × 1,189,891.11
  4. Step 4: Simplify right side
    2,170,210.07x = 3,563,265,302,389.69
  5. Step 5: Solve for x
    x = 3,563,265,302,389.69/2,170,210.07
  6. Step 6: Final answer
    x = 1,641,898.80

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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.