Finding the Fourth Proportional to 4,890,703.05, 7,336,054.58 and 2,998,510.65
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Solution
The fourth proportional to 4,890,703.05, 7,336,054.58 and 2,998,510.65 is: 4,497,765.98
Step by Step Solution
- Step 1: Write the proportion equation
4,890,703.05 : 7,336,054.58 = 2,998,510.65 : x - Step 2: Convert to fraction form
4,890,703.05/7,336,054.58 = 2,998,510.65/x - Step 3: Cross multiply
4,890,703.05x = 7,336,054.58 × 2,998,510.65 - Step 4: Simplify right side
4,890,703.05x = 21,997,237,772,118.72 - Step 5: Solve for x
x = 21,997,237,772,118.72/4,890,703.05 - Step 6: Final answer
x = 4,497,765.98
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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.