Home / 2,074,315.32-3,111,210.54-813,028.68

Finding the Fourth Proportional to 2,074,315.32, 3,111,210.54 and 813,028.68

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Solution

The fourth proportional to 2,074,315.32, 3,111,210.54 and 813,028.68 is: 1,219,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,315.32 : 3,111,210.54 = 813,028.68 : x
  2. Step 2: Convert to fraction form
    2,074,315.32/3,111,210.54 = 813,028.68/x
  3. Step 3: Cross multiply
    2,074,315.32x = 3,111,210.54 × 813,028.68
  4. Step 4: Simplify right side
    2,074,315.32x = 2,529,503,398,538.29
  5. Step 5: Solve for x
    x = 2,529,503,398,538.29/2,074,315.32
  6. Step 6: Final answer
    x = 1,219,440.16

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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.