Finding the Fourth Proportional to 1,718,808.05, 2,371,125.78 and 1,145,114.21
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Solution
The fourth proportional to 1,718,808.05, 2,371,125.78 and 1,145,114.21 is: 1,579,705.09
Step by Step Solution
- Step 1: Write the proportion equation
1,718,808.05 : 2,371,125.78 = 1,145,114.21 : x - Step 2: Convert to fraction form
1,718,808.05/2,371,125.78 = 1,145,114.21/x - Step 3: Cross multiply
1,718,808.05x = 2,371,125.78 × 1,145,114.21 - Step 4: Simplify right side
1,718,808.05x = 2,715,209,824,375.33 - Step 5: Solve for x
x = 2,715,209,824,375.33/1,718,808.05 - Step 6: Final answer
x = 1,579,705.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.