Home / 1,806,126.09-2,492,482.91-990,404.25

Finding the Fourth Proportional to 1,806,126.09, 2,492,482.91 and 990,404.25

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Solution

The fourth proportional to 1,806,126.09, 2,492,482.91 and 990,404.25 is: 1,366,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,126.09 : 2,492,482.91 = 990,404.25 : x
  2. Step 2: Convert to fraction form
    1,806,126.09/2,492,482.91 = 990,404.25/x
  3. Step 3: Cross multiply
    1,806,126.09x = 2,492,482.91 × 990,404.25
  4. Step 4: Simplify right side
    1,806,126.09x = 2,468,565,662,164.35
  5. Step 5: Solve for x
    x = 2,468,565,662,164.35/1,806,126.09
  6. Step 6: Final answer
    x = 1,366,773.71

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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.