Home / 2,126,050.13-2,933,864.61-1,255,165.40

Finding the Fourth Proportional to 2,126,050.13, 2,933,864.61 and 1,255,165.40

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Solution

The fourth proportional to 2,126,050.13, 2,933,864.61 and 1,255,165.40 is: 1,732,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,050.13 : 2,933,864.61 = 1,255,165.40 : x
  2. Step 2: Convert to fraction form
    2,126,050.13/2,933,864.61 = 1,255,165.40/x
  3. Step 3: Cross multiply
    2,126,050.13x = 2,933,864.61 × 1,255,165.40
  4. Step 4: Simplify right side
    2,126,050.13x = 3,682,485,346,756.49
  5. Step 5: Solve for x
    x = 3,682,485,346,756.49/2,126,050.13
  6. Step 6: Final answer
    x = 1,732,078.32

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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.