Finding the Fourth Proportional to 3,403,173.05, 4,696,157.75 and 1,875,280.17
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Solution
The fourth proportional to 3,403,173.05, 4,696,157.75 and 1,875,280.17 is: 2,587,764.82
Step by Step Solution
- Step 1: Write the proportion equation
3,403,173.05 : 4,696,157.75 = 1,875,280.17 : x - Step 2: Convert to fraction form
3,403,173.05/4,696,157.75 = 1,875,280.17/x - Step 3: Cross multiply
3,403,173.05x = 4,696,157.75 × 1,875,280.17 - Step 4: Simplify right side
3,403,173.05x = 8,806,611,494,390.42 - Step 5: Solve for x
x = 8,806,611,494,390.42/3,403,173.05 - Step 6: Final answer
x = 2,587,764.82
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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.