Finding the Fourth Proportional to 4,160,887.20, 6,241,330.80 and 2,960,272.80
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Solution
The fourth proportional to 4,160,887.20, 6,241,330.80 and 2,960,272.80 is: 4,440,409.20
Step by Step Solution
- Step 1: Write the proportion equation
4,160,887.20 : 6,241,330.80 = 2,960,272.80 : x - Step 2: Convert to fraction form
4,160,887.20/6,241,330.80 = 2,960,272.80/x - Step 3: Cross multiply
4,160,887.20x = 6,241,330.80 × 2,960,272.80 - Step 4: Simplify right side
4,160,887.20x = 18,476,041,803,042.24 - Step 5: Solve for x
x = 18,476,041,803,042.24/4,160,887.20 - Step 6: Final answer
x = 4,440,409.20
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1.5x scale
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.