Home / 1,898,490-2,619,264.76-1,082,104.80

Finding the Fourth Proportional to 1,898,490, 2,619,264.76 and 1,082,104.80

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Solution

The fourth proportional to 1,898,490, 2,619,264.76 and 1,082,104.80 is: 1,492,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,490 : 2,619,264.76 = 1,082,104.80 : x
  2. Step 2: Convert to fraction form
    1,898,490/2,619,264.76 = 1,082,104.80/x
  3. Step 3: Cross multiply
    1,898,490x = 2,619,264.76 × 1,082,104.80
  4. Step 4: Simplify right side
    1,898,490x = 2,834,318,969,266.85
  5. Step 5: Solve for x
    x = 2,834,318,969,266.85/1,898,490
  6. Step 6: Final answer
    x = 1,492,933.32

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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.