Home / 3,120,960.77-4,681,441.10-877,098.77

Finding the Fourth Proportional to 3,120,960.77, 4,681,441.10 and 877,098.77

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Solution

The fourth proportional to 3,120,960.77, 4,681,441.10 and 877,098.77 is: 1,315,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,960.77 : 4,681,441.10 = 877,098.77 : x
  2. Step 2: Convert to fraction form
    3,120,960.77/4,681,441.10 = 877,098.77/x
  3. Step 3: Cross multiply
    3,120,960.77x = 4,681,441.10 × 877,098.77
  4. Step 4: Simplify right side
    3,120,960.77x = 4,106,086,230,637.45
  5. Step 5: Solve for x
    x = 4,106,086,230,637.45/3,120,960.77
  6. Step 6: Final answer
    x = 1,315,648.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.