Home / 3,757,120.69-5,184,786.95-2,103,281.40

Finding the Fourth Proportional to 3,757,120.69, 5,184,786.95 and 2,103,281.40

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Solution

The fourth proportional to 3,757,120.69, 5,184,786.95 and 2,103,281.40 is: 2,902,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757,120.69 : 5,184,786.95 = 2,103,281.40 : x
  2. Step 2: Convert to fraction form
    3,757,120.69/5,184,786.95 = 2,103,281.40/x
  3. Step 3: Cross multiply
    3,757,120.69x = 5,184,786.95 × 2,103,281.40
  4. Step 4: Simplify right side
    3,757,120.69x = 10,905,065,971,711.58
  5. Step 5: Solve for x
    x = 10,905,065,971,711.58/3,757,120.69
  6. Step 6: Final answer
    x = 2,902,506.17

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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.