Finding the Fourth Proportional to 4,264,377.12, 6,397,673.52 and 1,272,561.12
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Solution
The fourth proportional to 4,264,377.12, 6,397,673.52 and 1,272,561.12 is: 1,909,172.28
Step by Step Solution
- Step 1: Write the proportion equation
4,264,377.12 : 6,397,673.52 = 1,272,561.12 : x - Step 2: Convert to fraction form
4,264,377.12/6,397,673.52 = 1,272,561.12/x - Step 3: Cross multiply
4,264,377.12x = 6,397,673.52 × 1,272,561.12 - Step 4: Simplify right side
4,264,377.12x = 8,141,430,580,005.54 - Step 5: Solve for x
x = 8,141,430,580,005.54/4,264,377.12 - Step 6: Final answer
x = 1,909,172.28
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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.