Finding the Fourth Proportional to 1,631,189.16, 2,445,436.68 and 719,722.74
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Solution
The fourth proportional to 1,631,189.16, 2,445,436.68 and 719,722.74 is: 1,078,989.75
Step by Step Solution
- Step 1: Write the proportion equation
1,631,189.16 : 2,445,436.68 = 719,722.74 : x - Step 2: Convert to fraction form
1,631,189.16/2,445,436.68 = 719,722.74/x - Step 3: Cross multiply
1,631,189.16x = 2,445,436.68 × 719,722.74 - Step 4: Simplify right side
1,631,189.16x = 1,760,036,387,826.10 - Step 5: Solve for x
x = 1,760,036,387,826.10/1,631,189.16 - Step 6: Final answer
x = 1,078,989.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.