Home / 2,135,303.77-2,946,589.54-1,217,404.57

Finding the Fourth Proportional to 2,135,303.77, 2,946,589.54 and 1,217,404.57

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Solution

The fourth proportional to 2,135,303.77, 2,946,589.54 and 1,217,404.57 is: 1,679,944.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,303.77 : 2,946,589.54 = 1,217,404.57 : x
  2. Step 2: Convert to fraction form
    2,135,303.77/2,946,589.54 = 1,217,404.57/x
  3. Step 3: Cross multiply
    2,135,303.77x = 2,946,589.54 × 1,217,404.57
  4. Step 4: Simplify right side
    2,135,303.77x = 3,587,191,571,910.20
  5. Step 5: Solve for x
    x = 3,587,191,571,910.20/2,135,303.77
  6. Step 6: Final answer
    x = 1,679,944.38

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1.5x scale

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.