Finding the Fourth Proportional to 3,181,717.26, 4,390,862.99 and 1,731,506.63
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Solution
The fourth proportional to 3,181,717.26, 4,390,862.99 and 1,731,506.63 is: 2,389,529.84
Step by Step Solution
- Step 1: Write the proportion equation
3,181,717.26 : 4,390,862.99 = 1,731,506.63 : x - Step 2: Convert to fraction form
3,181,717.26/4,390,862.99 = 1,731,506.63/x - Step 3: Cross multiply
3,181,717.26x = 4,390,862.99 × 1,731,506.63 - Step 4: Simplify right side
3,181,717.26x = 7,602,808,347,994.78 - Step 5: Solve for x
x = 7,602,808,347,994.78/3,181,717.26 - Step 6: Final answer
x = 2,389,529.84
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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.