Home / 3,778,527.11-5,214,509.12-2,147,212.22

Finding the Fourth Proportional to 3,778,527.11, 5,214,509.12 and 2,147,212.22

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Solution

The fourth proportional to 3,778,527.11, 5,214,509.12 and 2,147,212.22 is: 2,963,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,527.11 : 5,214,509.12 = 2,147,212.22 : x
  2. Step 2: Convert to fraction form
    3,778,527.11/5,214,509.12 = 2,147,212.22/x
  3. Step 3: Cross multiply
    3,778,527.11x = 5,214,509.12 × 2,147,212.22
  4. Step 4: Simplify right side
    3,778,527.11x = 11,196,657,683,060.93
  5. Step 5: Solve for x
    x = 11,196,657,683,060.93/3,778,527.11
  6. Step 6: Final answer
    x = 2,963,233.39

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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.