Finding the Fourth Proportional to 2,148,510.26, 2,964,968.92 and 1,181,656.69
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Solution
The fourth proportional to 2,148,510.26, 2,964,968.92 and 1,181,656.69 is: 1,630,699.85
Step by Step Solution
- Step 1: Write the proportion equation
2,148,510.26 : 2,964,968.92 = 1,181,656.69 : x - Step 2: Convert to fraction form
2,148,510.26/2,964,968.92 = 1,181,656.69/x - Step 3: Cross multiply
2,148,510.26x = 2,964,968.92 × 1,181,656.69 - Step 4: Simplify right side
2,148,510.26x = 3,503,575,359,960.08 - Step 5: Solve for x
x = 3,503,575,359,960.08/2,148,510.26 - Step 6: Final answer
x = 1,630,699.85
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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.