Home / 3,683,816.85-5,084,011.09-2,155,925.19

Finding the Fourth Proportional to 3,683,816.85, 5,084,011.09 and 2,155,925.19

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Solution

The fourth proportional to 3,683,816.85, 5,084,011.09 and 2,155,925.19 is: 2,975,377.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683,816.85 : 5,084,011.09 = 2,155,925.19 : x
  2. Step 2: Convert to fraction form
    3,683,816.85/5,084,011.09 = 2,155,925.19/x
  3. Step 3: Cross multiply
    3,683,816.85x = 5,084,011.09 × 2,155,925.19
  4. Step 4: Simplify right side
    3,683,816.85x = 10,960,747,575,170.36
  5. Step 5: Solve for x
    x = 10,960,747,575,170.36/3,683,816.85
  6. Step 6: Final answer
    x = 2,975,377.99

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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.