Finding the Fourth Proportional to 5,010,929.40, 6,915,101.54 and 2,719,090.09
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Solution
The fourth proportional to 5,010,929.40, 6,915,101.54 and 2,719,090.09 is: 3,752,354.62
Step by Step Solution
- Step 1: Write the proportion equation
5,010,929.40 : 6,915,101.54 = 2,719,090.09 : x - Step 2: Convert to fraction form
5,010,929.40/6,915,101.54 = 2,719,090.09/x - Step 3: Cross multiply
5,010,929.40x = 6,915,101.54 × 2,719,090.09 - Step 4: Simplify right side
5,010,929.40x = 18,802,784,068,757.74 - Step 5: Solve for x
x = 18,802,784,068,757.74/5,010,929.40 - Step 6: Final answer
x = 3,752,354.62
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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.