Finding the Fourth Proportional to 1,569,305.18, 2,158,845.57 and 1,374,837.14
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Solution
The fourth proportional to 1,569,305.18, 2,158,845.57 and 1,374,837.14 is: 1,891,321.78
Step by Step Solution
- Step 1: Write the proportion equation
1,569,305.18 : 2,158,845.57 = 1,374,837.14 : x - Step 2: Convert to fraction form
1,569,305.18/2,158,845.57 = 1,374,837.14/x - Step 3: Cross multiply
1,569,305.18x = 2,158,845.57 × 1,374,837.14 - Step 4: Simplify right side
1,569,305.18x = 2,968,061,069,160.47 - Step 5: Solve for x
x = 2,968,061,069,160.47/1,569,305.18 - Step 6: Final answer
x = 1,891,321.78
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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.