Home / 2,119,068.71-3,180,600.80-772,532.81

Finding the Fourth Proportional to 2,119,068.71, 3,180,600.80 and 772,532.81

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Solution

The fourth proportional to 2,119,068.71, 3,180,600.80 and 772,532.81 is: 1,159,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,068.71 : 3,180,600.80 = 772,532.81 : x
  2. Step 2: Convert to fraction form
    2,119,068.71/3,180,600.80 = 772,532.81/x
  3. Step 3: Cross multiply
    2,119,068.71x = 3,180,600.80 × 772,532.81
  4. Step 4: Simplify right side
    2,119,068.71x = 2,457,118,469,649.58
  5. Step 5: Solve for x
    x = 2,457,118,469,649.58/2,119,068.71
  6. Step 6: Final answer
    x = 1,159,527.51

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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.