Finding the Fourth Proportional to 1,686,885.44, 2,530,376.49 and 662,173.07
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Solution
The fourth proportional to 1,686,885.44, 2,530,376.49 and 662,173.07 is: 993,278.58
Step by Step Solution
- Step 1: Write the proportion equation
1,686,885.44 : 2,530,376.49 = 662,173.07 : x - Step 2: Convert to fraction form
1,686,885.44/2,530,376.49 = 662,173.07/x - Step 3: Cross multiply
1,686,885.44x = 2,530,376.49 × 662,173.07 - Step 4: Simplify right side
1,686,885.44x = 1,675,547,168,639.12 - Step 5: Solve for x
x = 1,675,547,168,639.12/1,686,885.44 - Step 6: Final answer
x = 993,278.58
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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.