Finding the Fourth Proportional to 3,830,929.86, 5,286,681.48 and 2,199,442.44
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Solution
The fourth proportional to 3,830,929.86, 5,286,681.48 and 2,199,442.44 is: 3,035,229.58
Step by Step Solution
- Step 1: Write the proportion equation
3,830,929.86 : 5,286,681.48 = 2,199,442.44 : x - Step 2: Convert to fraction form
3,830,929.86/5,286,681.48 = 2,199,442.44/x - Step 3: Cross multiply
3,830,929.86x = 5,286,681.48 × 2,199,442.44 - Step 4: Simplify right side
3,830,929.86x = 11,627,751,613,874.01 - Step 5: Solve for x
x = 11,627,751,613,874.01/3,830,929.86 - Step 6: Final answer
x = 3,035,229.58
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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.