Finding the Fourth Proportional to 4,845,768.40, 7,260,779.40 and 4,168,673.20
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Solution
The fourth proportional to 4,845,768.40, 7,260,779.40 and 4,168,673.20 is: 6,246,236.72
Step by Step Solution
- Step 1: Write the proportion equation
4,845,768.40 : 7,260,779.40 = 4,168,673.20 : x - Step 2: Convert to fraction form
4,845,768.40/7,260,779.40 = 4,168,673.20/x - Step 3: Cross multiply
4,845,768.40x = 7,260,779.40 × 4,168,673.20 - Step 4: Simplify right side
4,845,768.40x = 30,267,816,495,892.08 - Step 5: Solve for x
x = 30,267,816,495,892.08/4,845,768.40 - Step 6: Final answer
x = 6,246,236.72
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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.