Finding the Fourth Proportional to 1,602,674.14, 2,211,487.68 and 1,276,813.62
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Solution
The fourth proportional to 1,602,674.14, 2,211,487.68 and 1,276,813.62 is: 1,761,841.36
Step by Step Solution
- Step 1: Write the proportion equation
1,602,674.14 : 2,211,487.68 = 1,276,813.62 : x - Step 2: Convert to fraction form
1,602,674.14/2,211,487.68 = 1,276,813.62/x - Step 3: Cross multiply
1,602,674.14x = 2,211,487.68 × 1,276,813.62 - Step 4: Simplify right side
1,602,674.14x = 2,823,657,590,286.20 - Step 5: Solve for x
x = 2,823,657,590,286.20/1,602,674.14 - Step 6: Final answer
x = 1,761,841.36
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1.5x scale
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.