Finding the Fourth Proportional to 2,511,406.84, 3,465,717.08 and 1,365,487.18
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Solution
The fourth proportional to 2,511,406.84, 3,465,717.08 and 1,365,487.18 is: 1,884,359.07
Step by Step Solution
- Step 1: Write the proportion equation
2,511,406.84 : 3,465,717.08 = 1,365,487.18 : x - Step 2: Convert to fraction form
2,511,406.84/3,465,717.08 = 1,365,487.18/x - Step 3: Cross multiply
2,511,406.84x = 3,465,717.08 × 1,365,487.18 - Step 4: Simplify right side
2,511,406.84x = 4,732,392,253,930.83 - Step 5: Solve for x
x = 4,732,392,253,930.83/2,511,406.84 - Step 6: Final answer
x = 1,884,359.07
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1.5x scale
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.