Finding the Fourth Proportional to 3,915,365.04, 5,403,240.62 and 2,196,522.44
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Solution
The fourth proportional to 3,915,365.04, 5,403,240.62 and 2,196,522.44 is: 3,031,221.65
Step by Step Solution
- Step 1: Write the proportion equation
3,915,365.04 : 5,403,240.62 = 2,196,522.44 : x - Step 2: Convert to fraction form
3,915,365.04/5,403,240.62 = 2,196,522.44/x - Step 3: Cross multiply
3,915,365.04x = 5,403,240.62 × 2,196,522.44 - Step 4: Simplify right side
3,915,365.04x = 11,868,339,270,549.51 - Step 5: Solve for x
x = 11,868,339,270,549.51/3,915,365.04 - Step 6: Final answer
x = 3,031,221.65
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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.