Finding the Fourth Proportional to 5,167,242.52, 7,731,907.25 and 4,312,203.48
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Solution
The fourth proportional to 5,167,242.52, 7,731,907.25 and 4,312,203.48 is: 6,452,485.48
Step by Step Solution
- Step 1: Write the proportion equation
5,167,242.52 : 7,731,907.25 = 4,312,203.48 : x - Step 2: Convert to fraction form
5,167,242.52/7,731,907.25 = 4,312,203.48/x - Step 3: Cross multiply
5,167,242.52x = 7,731,907.25 × 4,312,203.48 - Step 4: Simplify right side
5,167,242.52x = 33,341,557,328,926.21 - Step 5: Solve for x
x = 33,341,557,328,926.21/5,167,242.52 - Step 6: Final answer
x = 6,452,485.48
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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.