Finding the Fourth Proportional to 3,136,876.84, 4,326,449.47 and 2,268,967.26
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Solution
The fourth proportional to 3,136,876.84, 4,326,449.47 and 2,268,967.26 is: 3,129,409.50
Step by Step Solution
- Step 1: Write the proportion equation
3,136,876.84 : 4,326,449.47 = 2,268,967.26 : x - Step 2: Convert to fraction form
3,136,876.84/4,326,449.47 = 2,268,967.26/x - Step 3: Cross multiply
3,136,876.84x = 4,326,449.47 × 2,268,967.26 - Step 4: Simplify right side
3,136,876.84x = 9,816,572,188,129.51 - Step 5: Solve for x
x = 9,816,572,188,129.51/3,136,876.84 - Step 6: Final answer
x = 3,129,409.50
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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.