Finding the Fourth Proportional to 3,850,358.49, 5,313,557.48 and 2,107,998.54
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Solution
The fourth proportional to 3,850,358.49, 5,313,557.48 and 2,107,998.54 is: 2,909,072.34
Step by Step Solution
- Step 1: Write the proportion equation
3,850,358.49 : 5,313,557.48 = 2,107,998.54 : x - Step 2: Convert to fraction form
3,850,358.49/5,313,557.48 = 2,107,998.54/x - Step 3: Cross multiply
3,850,358.49x = 5,313,557.48 × 2,107,998.54 - Step 4: Simplify right side
3,850,358.49x = 11,200,971,399,506.09 - Step 5: Solve for x
x = 11,200,971,399,506.09/3,850,358.49 - Step 6: Final answer
x = 2,909,072.34
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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.