Finding the Fourth Proportional to 4,316,053.85, 6,454,414.65 and 3,222,603.62
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Solution
The fourth proportional to 4,316,053.85, 6,454,414.65 and 3,222,603.62 is: 4,819,221.62
Step by Step Solution
- Step 1: Write the proportion equation
4,316,053.85 : 6,454,414.65 = 3,222,603.62 : x - Step 2: Convert to fraction form
4,316,053.85/6,454,414.65 = 3,222,603.62/x - Step 3: Cross multiply
4,316,053.85x = 6,454,414.65 × 3,222,603.62 - Step 4: Simplify right side
4,316,053.85x = 20,800,020,016,071.04 - Step 5: Solve for x
x = 20,800,020,016,071.04/4,316,053.85 - Step 6: Final answer
x = 4,819,221.62
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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.