Finding the Fourth Proportional to 5,269,502.40, 7,271,925.11 and 2,946,478.91
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Solution
The fourth proportional to 5,269,502.40, 7,271,925.11 and 2,946,478.91 is: 4,066,147.48
Step by Step Solution
- Step 1: Write the proportion equation
5,269,502.40 : 7,271,925.11 = 2,946,478.91 : x - Step 2: Convert to fraction form
5,269,502.40/7,271,925.11 = 2,946,478.91/x - Step 3: Cross multiply
5,269,502.40x = 7,271,925.11 × 2,946,478.91 - Step 4: Simplify right side
5,269,502.40x = 21,426,573,920,622.41 - Step 5: Solve for x
x = 21,426,573,920,622.41/5,269,502.40 - Step 6: Final answer
x = 4,066,147.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.