Finding the Fourth Proportional to 5,172,274.64, 7,750,365.08 and 1,975,656.08
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Solution
The fourth proportional to 5,172,274.64, 7,750,365.08 and 1,975,656.08 is: 2,960,410.45
Step by Step Solution
- Step 1: Write the proportion equation
5,172,274.64 : 7,750,365.08 = 1,975,656.08 : x - Step 2: Convert to fraction form
5,172,274.64/7,750,365.08 = 1,975,656.08/x - Step 3: Cross multiply
5,172,274.64x = 7,750,365.08 × 1,975,656.08 - Step 4: Simplify right side
5,172,274.64x = 15,312,055,892,521.69 - Step 5: Solve for x
x = 15,312,055,892,521.69/5,172,274.64 - Step 6: Final answer
x = 2,960,410.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.