Finding the Fourth Proportional to 6,315,479.18, 9,474,387.45 and 1,998,615.92
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Solution
The fourth proportional to 6,315,479.18, 9,474,387.45 and 1,998,615.92 is: 2,998,293.72
Step by Step Solution
- Step 1: Write the proportion equation
6,315,479.18 : 9,474,387.45 = 1,998,615.92 : x - Step 2: Convert to fraction form
6,315,479.18/9,474,387.45 = 1,998,615.92/x - Step 3: Cross multiply
6,315,479.18x = 9,474,387.45 × 1,998,615.92 - Step 4: Simplify right side
6,315,479.18x = 18,935,661,588,244.89 - Step 5: Solve for x
x = 18,935,661,588,244.89/6,315,479.18 - Step 6: Final answer
x = 2,998,293.72
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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.