Home / 1,806,163.84-2,492,534.19-990,442

Finding the Fourth Proportional to 1,806,163.84, 2,492,534.19 and 990,442

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Solution

The fourth proportional to 1,806,163.84, 2,492,534.19 and 990,442 is: 1,366,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,163.84 : 2,492,534.19 = 990,442 : x
  2. Step 2: Convert to fraction form
    1,806,163.84/2,492,534.19 = 990,442/x
  3. Step 3: Cross multiply
    1,806,163.84x = 2,492,534.19 × 990,442
  4. Step 4: Simplify right side
    1,806,163.84x = 2,468,710,548,211.98
  5. Step 5: Solve for x
    x = 2,468,710,548,211.98/1,806,163.84
  6. Step 6: Final answer
    x = 1,366,825.36

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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.