Home / 1,925,811.80-2,887,940.10-662,989.40

Finding the Fourth Proportional to 1,925,811.80, 2,887,940.10 and 662,989.40

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Solution

The fourth proportional to 1,925,811.80, 2,887,940.10 and 662,989.40 is: 994,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,811.80 : 2,887,940.10 = 662,989.40 : x
  2. Step 2: Convert to fraction form
    1,925,811.80/2,887,940.10 = 662,989.40/x
  3. Step 3: Cross multiply
    1,925,811.80x = 2,887,940.10 × 662,989.40
  4. Step 4: Simplify right side
    1,925,811.80x = 1,914,673,674,134.94
  5. Step 5: Solve for x
    x = 1,914,673,674,134.94/1,925,811.80
  6. Step 6: Final answer
    x = 994,216.40

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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.