Home / 2,045,706.09-2,821,918.46-1,280,431.05

Finding the Fourth Proportional to 2,045,706.09, 2,821,918.46 and 1,280,431.05

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Solution

The fourth proportional to 2,045,706.09, 2,821,918.46 and 1,280,431.05 is: 1,766,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045,706.09 : 2,821,918.46 = 1,280,431.05 : x
  2. Step 2: Convert to fraction form
    2,045,706.09/2,821,918.46 = 1,280,431.05/x
  3. Step 3: Cross multiply
    2,045,706.09x = 2,821,918.46 × 1,280,431.05
  4. Step 4: Simplify right side
    2,045,706.09x = 3,613,272,010,350.03
  5. Step 5: Solve for x
    x = 3,613,272,010,350.03/2,045,706.09
  6. Step 6: Final answer
    x = 1,766,271.33

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1.5x scale

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.