Home / 3,315,981.76-4,976,065.68-1,898,805.76

Finding the Fourth Proportional to 3,315,981.76, 4,976,065.68 and 1,898,805.76

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Solution

The fourth proportional to 3,315,981.76, 4,976,065.68 and 1,898,805.76 is: 2,849,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,981.76 : 4,976,065.68 = 1,898,805.76 : x
  2. Step 2: Convert to fraction form
    3,315,981.76/4,976,065.68 = 1,898,805.76/x
  3. Step 3: Cross multiply
    3,315,981.76x = 4,976,065.68 × 1,898,805.76
  4. Step 4: Simplify right side
    3,315,981.76x = 9,448,582,175,322.32
  5. Step 5: Solve for x
    x = 9,448,582,175,322.32/3,315,981.76
  6. Step 6: Final answer
    x = 2,849,407.16

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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.