Home / 2,151,763.85-2,969,433.81-1,184,891.76

Finding the Fourth Proportional to 2,151,763.85, 2,969,433.81 and 1,184,891.76

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Solution

The fourth proportional to 2,151,763.85, 2,969,433.81 and 1,184,891.76 is: 1,635,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,763.85 : 2,969,433.81 = 1,184,891.76 : x
  2. Step 2: Convert to fraction form
    2,151,763.85/2,969,433.81 = 1,184,891.76/x
  3. Step 3: Cross multiply
    2,151,763.85x = 2,969,433.81 × 1,184,891.76
  4. Step 4: Simplify right side
    2,151,763.85x = 3,518,457,653,334.41
  5. Step 5: Solve for x
    x = 3,518,457,653,334.41/2,151,763.85
  6. Step 6: Final answer
    x = 1,635,150.47

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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.