Finding the Fourth Proportional to 2,758,530.84, 4,132,416.21 and 1,556,818.08
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Solution
The fourth proportional to 2,758,530.84, 4,132,416.21 and 1,556,818.08 is: 2,332,190.81
Step by Step Solution
- Step 1: Write the proportion equation
2,758,530.84 : 4,132,416.21 = 1,556,818.08 : x - Step 2: Convert to fraction form
2,758,530.84/4,132,416.21 = 1,556,818.08/x - Step 3: Cross multiply
2,758,530.84x = 4,132,416.21 × 1,556,818.08 - Step 4: Simplify right side
2,758,530.84x = 6,433,420,269,813.08 - Step 5: Solve for x
x = 6,433,420,269,813.08/2,758,530.84 - Step 6: Final answer
x = 2,332,190.81
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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.