Finding the Fourth Proportional to 4,248,100.18, 6,374,143.14 and 2,118,350.38
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Solution
The fourth proportional to 4,248,100.18, 6,374,143.14 and 2,118,350.38 is: 3,178,519.33
Step by Step Solution
- Step 1: Write the proportion equation
4,248,100.18 : 6,374,143.14 = 2,118,350.38 : x - Step 2: Convert to fraction form
4,248,100.18/6,374,143.14 = 2,118,350.38/x - Step 3: Cross multiply
4,248,100.18x = 6,374,143.14 × 2,118,350.38 - Step 4: Simplify right side
4,248,100.18x = 13,502,668,542,793.39 - Step 5: Solve for x
x = 13,502,668,542,793.39/4,248,100.18 - Step 6: Final answer
x = 3,178,519.33
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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.