Finding the Fourth Proportional to 5,712,795.53, 7,883,656.97 and 3,265,459.12
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Solution
The fourth proportional to 5,712,795.53, 7,883,656.97 and 3,265,459.12 is: 4,506,333.10
Step by Step Solution
- Step 1: Write the proportion equation
5,712,795.53 : 7,883,656.97 = 3,265,459.12 : x - Step 2: Convert to fraction form
5,712,795.53/7,883,656.97 = 3,265,459.12/x - Step 3: Cross multiply
5,712,795.53x = 7,883,656.97 × 3,265,459.12 - Step 4: Simplify right side
5,712,795.53x = 25,743,759,557,410.81 - Step 5: Solve for x
x = 25,743,759,557,410.81/5,712,795.53 - Step 6: Final answer
x = 4,506,333.10
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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.