Finding the Fourth Proportional to 6,901,698.40, 10,352,450.40 and 3,115,175.20
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Solution
The fourth proportional to 6,901,698.40, 10,352,450.40 and 3,115,175.20 is: 4,672,718.93
Step by Step Solution
- Step 1: Write the proportion equation
6,901,698.40 : 10,352,450.40 = 3,115,175.20 : x - Step 2: Convert to fraction form
6,901,698.40/10,352,450.40 = 3,115,175.20/x - Step 3: Cross multiply
6,901,698.40x = 10,352,450.40 × 3,115,175.20 - Step 4: Simplify right side
6,901,698.40x = 32,249,696,745,310.08 - Step 5: Solve for x
x = 32,249,696,745,310.08/6,901,698.40 - Step 6: Final answer
x = 4,672,718.93
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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.