Finding the Fourth Proportional to 4,422,771.51, 6,103,412.18 and 2,489,032.09
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Solution
The fourth proportional to 4,422,771.51, 6,103,412.18 and 2,489,032.09 is: 3,434,857.25
Step by Step Solution
- Step 1: Write the proportion equation
4,422,771.51 : 6,103,412.18 = 2,489,032.09 : x - Step 2: Convert to fraction form
4,422,771.51/6,103,412.18 = 2,489,032.09/x - Step 3: Cross multiply
4,422,771.51x = 6,103,412.18 × 2,489,032.09 - Step 4: Simplify right side
4,422,771.51x = 15,191,588,774,516.86 - Step 5: Solve for x
x = 15,191,588,774,516.86/4,422,771.51 - Step 6: Final answer
x = 3,434,857.25
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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.