Finding the Fourth Proportional to 7,949,053.80, 11,925,340.02 and 2,900,349.72
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Solution
The fourth proportional to 7,949,053.80, 11,925,340.02 and 2,900,349.72 is: 4,351,166.50
Step by Step Solution
- Step 1: Write the proportion equation
7,949,053.80 : 11,925,340.02 = 2,900,349.72 : x - Step 2: Convert to fraction form
7,949,053.80/11,925,340.02 = 2,900,349.72/x - Step 3: Cross multiply
7,949,053.80x = 11,925,340.02 × 2,900,349.72 - Step 4: Simplify right side
7,949,053.80x = 34,587,656,587,911.80 - Step 5: Solve for x
x = 34,587,656,587,911.80/7,949,053.80 - Step 6: Final answer
x = 4,351,166.50
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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.