Finding the Fourth Proportional to 5,325,597.12, 7,349,357.64 and 2,878,202.40
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Solution
The fourth proportional to 5,325,597.12, 7,349,357.64 and 2,878,202.40 is: 3,971,937.48
Step by Step Solution
- Step 1: Write the proportion equation
5,325,597.12 : 7,349,357.64 = 2,878,202.40 : x - Step 2: Convert to fraction form
5,325,597.12/7,349,357.64 = 2,878,202.40/x - Step 3: Cross multiply
5,325,597.12x = 7,349,357.64 × 2,878,202.40 - Step 4: Simplify right side
5,325,597.12x = 21,152,938,797,906.34 - Step 5: Solve for x
x = 21,152,938,797,906.34/5,325,597.12 - Step 6: Final answer
x = 3,971,937.48
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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.