Finding the Fourth Proportional to 5,164,451.11, 7,126,943.15 and 2,841,293.95
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Solution
The fourth proportional to 5,164,451.11, 7,126,943.15 and 2,841,293.95 is: 3,920,986.00
Step by Step Solution
- Step 1: Write the proportion equation
5,164,451.11 : 7,126,943.15 = 2,841,293.95 : x - Step 2: Convert to fraction form
5,164,451.11/7,126,943.15 = 2,841,293.95/x - Step 3: Cross multiply
5,164,451.11x = 7,126,943.15 × 2,841,293.95 - Step 4: Simplify right side
5,164,451.11x = 20,249,740,483,463.88 - Step 5: Solve for x
x = 20,249,740,483,463.88/5,164,451.11 - Step 6: Final answer
x = 3,920,986.00
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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.