Home / 3,683,815.85-5,084,009.71-2,155,924.19

Finding the Fourth Proportional to 3,683,815.85, 5,084,009.71 and 2,155,924.19

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Solution

The fourth proportional to 3,683,815.85, 5,084,009.71 and 2,155,924.19 is: 2,975,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683,815.85 : 5,084,009.71 = 2,155,924.19 : x
  2. Step 2: Convert to fraction form
    3,683,815.85/5,084,009.71 = 2,155,924.19/x
  3. Step 3: Cross multiply
    3,683,815.85x = 5,084,009.71 × 2,155,924.19
  4. Step 4: Simplify right side
    3,683,815.85x = 10,960,739,490,563.84
  5. Step 5: Solve for x
    x = 10,960,739,490,563.84/3,683,815.85
  6. Step 6: Final answer
    x = 2,975,376.61

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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.