Finding the Fourth Proportional to 6,915,461.94, 10,347,502.20 and 4,344,640.56
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Solution
The fourth proportional to 6,915,461.94, 10,347,502.20 and 4,344,640.56 is: 6,500,820.65
Step by Step Solution
- Step 1: Write the proportion equation
6,915,461.94 : 10,347,502.20 = 4,344,640.56 : x - Step 2: Convert to fraction form
6,915,461.94/10,347,502.20 = 4,344,640.56/x - Step 3: Cross multiply
6,915,461.94x = 10,347,502.20 × 4,344,640.56 - Step 4: Simplify right side
6,915,461.94x = 44,956,177,752,809.23 - Step 5: Solve for x
x = 44,956,177,752,809.23/6,915,461.94 - Step 6: Final answer
x = 6,500,820.65
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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.