Finding the Fourth Proportional to 2,511,398.57, 3,465,705.66 and 1,365,478.91
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Solution
The fourth proportional to 2,511,398.57, 3,465,705.66 and 1,365,478.91 is: 1,884,347.65
Step by Step Solution
- Step 1: Write the proportion equation
2,511,398.57 : 3,465,705.66 = 1,365,478.91 : x - Step 2: Convert to fraction form
2,511,398.57/3,465,705.66 = 1,365,478.91/x - Step 3: Cross multiply
2,511,398.57x = 3,465,705.66 × 1,365,478.91 - Step 4: Simplify right side
2,511,398.57x = 4,732,347,994,284.24 - Step 5: Solve for x
x = 4,732,347,994,284.24/2,511,398.57 - Step 6: Final answer
x = 1,884,347.65
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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.