Home / 3,871,465.97-5,342,590.65-2,152,571.45

Finding the Fourth Proportional to 3,871,465.97, 5,342,590.65 and 2,152,571.45

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Solution

The fourth proportional to 3,871,465.97, 5,342,590.65 and 2,152,571.45 is: 2,970,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,465.97 : 5,342,590.65 = 2,152,571.45 : x
  2. Step 2: Convert to fraction form
    3,871,465.97/5,342,590.65 = 2,152,571.45/x
  3. Step 3: Cross multiply
    3,871,465.97x = 5,342,590.65 × 2,152,571.45
  4. Step 4: Simplify right side
    3,871,465.97x = 11,500,308,075,513.99
  5. Step 5: Solve for x
    x = 11,500,308,075,513.99/3,871,465.97
  6. Step 6: Final answer
    x = 2,970,530.59

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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.