Finding the Fourth Proportional to 2,079,781.87, 2,869,813.29 and 1,161,897.06
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Solution
The fourth proportional to 2,079,781.87, 2,869,813.29 and 1,161,897.06 is: 1,603,258.34
Step by Step Solution
- Step 1: Write the proportion equation
2,079,781.87 : 2,869,813.29 = 1,161,897.06 : x - Step 2: Convert to fraction form
2,079,781.87/2,869,813.29 = 1,161,897.06/x - Step 3: Cross multiply
2,079,781.87x = 2,869,813.29 × 1,161,897.06 - Step 4: Simplify right side
2,079,781.87x = 3,334,427,623,376.14 - Step 5: Solve for x
x = 3,334,427,623,376.14/2,079,781.87 - Step 6: Final answer
x = 1,603,258.34
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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.