Finding the Fourth Proportional to 3,135,822.59, 4,703,724.79 and 861,349.17
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Solution
The fourth proportional to 3,135,822.59, 4,703,724.79 and 861,349.17 is: 1,292,021.26
Step by Step Solution
- Step 1: Write the proportion equation
3,135,822.59 : 4,703,724.79 = 861,349.17 : x - Step 2: Convert to fraction form
3,135,822.59/4,703,724.79 = 861,349.17/x - Step 3: Cross multiply
3,135,822.59x = 4,703,724.79 × 861,349.17 - Step 4: Simplify right side
3,135,822.59x = 4,051,549,443,774.92 - Step 5: Solve for x
x = 4,051,549,443,774.92/3,135,822.59 - Step 6: Final answer
x = 1,292,021.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.