Home / 1,806,459.15-2,492,684.51-990,448.10

Finding the Fourth Proportional to 1,806,459.15, 2,492,684.51 and 990,448.10

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Solution

The fourth proportional to 1,806,459.15, 2,492,684.51 and 990,448.10 is: 1,366,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,459.15 : 2,492,684.51 = 990,448.10 : x
  2. Step 2: Convert to fraction form
    1,806,459.15/2,492,684.51 = 990,448.10/x
  3. Step 3: Cross multiply
    1,806,459.15x = 2,492,684.51 × 990,448.10
  4. Step 4: Simplify right side
    1,806,459.15x = 2,468,874,645,567.82
  5. Step 5: Solve for x
    x = 2,468,874,645,567.82/1,806,459.15
  6. Step 6: Final answer
    x = 1,366,692.76

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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.