Home / 1,990,076.76-2,746,380.06-1,130,782.68

Finding the Fourth Proportional to 1,990,076.76, 2,746,380.06 and 1,130,782.68

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Solution

The fourth proportional to 1,990,076.76, 2,746,380.06 and 1,130,782.68 is: 1,560,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,076.76 : 2,746,380.06 = 1,130,782.68 : x
  2. Step 2: Convert to fraction form
    1,990,076.76/2,746,380.06 = 1,130,782.68/x
  3. Step 3: Cross multiply
    1,990,076.76x = 2,746,380.06 × 1,130,782.68
  4. Step 4: Simplify right side
    1,990,076.76x = 3,105,559,004,545.36
  5. Step 5: Solve for x
    x = 3,105,559,004,545.36/1,990,076.76
  6. Step 6: Final answer
    x = 1,560,522.22

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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.