Finding the Fourth Proportional to 3,674,386.71, 5,511,794.55 and 1,115,685.12
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Solution
The fourth proportional to 3,674,386.71, 5,511,794.55 and 1,115,685.12 is: 1,673,592.81
Step by Step Solution
- Step 1: Write the proportion equation
3,674,386.71 : 5,511,794.55 = 1,115,685.12 : x - Step 2: Convert to fraction form
3,674,386.71/5,511,794.55 = 1,115,685.12/x - Step 3: Cross multiply
3,674,386.71x = 5,511,794.55 × 1,115,685.12 - Step 4: Simplify right side
3,674,386.71x = 6,149,427,163,932.10 - Step 5: Solve for x
x = 6,149,427,163,932.10/3,674,386.71 - Step 6: Final answer
x = 1,673,592.81
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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.