Home / 1,980,728.78-2,733,416.88-1,164,966.84

Finding the Fourth Proportional to 1,980,728.78, 2,733,416.88 and 1,164,966.84

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Solution

The fourth proportional to 1,980,728.78, 2,733,416.88 and 1,164,966.84 is: 1,607,660.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,728.78 : 2,733,416.88 = 1,164,966.84 : x
  2. Step 2: Convert to fraction form
    1,980,728.78/2,733,416.88 = 1,164,966.84/x
  3. Step 3: Cross multiply
    1,980,728.78x = 2,733,416.88 × 1,164,966.84
  4. Step 4: Simplify right side
    1,980,728.78x = 3,184,340,025,096.26
  5. Step 5: Solve for x
    x = 3,184,340,025,096.26/1,980,728.78
  6. Step 6: Final answer
    x = 1,607,660.81

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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.