Home / 1,806,188.77-2,492,568.53-990,466.93

Finding the Fourth Proportional to 1,806,188.77, 2,492,568.53 and 990,466.93

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Solution

The fourth proportional to 1,806,188.77, 2,492,568.53 and 990,466.93 is: 1,366,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,188.77 : 2,492,568.53 = 990,466.93 : x
  2. Step 2: Convert to fraction form
    1,806,188.77/2,492,568.53 = 990,466.93/x
  3. Step 3: Cross multiply
    1,806,188.77x = 2,492,568.53 × 990,466.93
  4. Step 4: Simplify right side
    1,806,188.77x = 2,468,806,699,723.71
  5. Step 5: Solve for x
    x = 2,468,806,699,723.71/1,806,188.77
  6. Step 6: Final answer
    x = 1,366,859.73

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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.