Finding the Fourth Proportional to 2,861,117.97, 3,948,279.30 and 1,554,336.24
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Solution
The fourth proportional to 2,861,117.97, 3,948,279.30 and 1,554,336.24 is: 2,144,949.51
Step by Step Solution
- Step 1: Write the proportion equation
2,861,117.97 : 3,948,279.30 = 1,554,336.24 : x - Step 2: Convert to fraction form
2,861,117.97/3,948,279.30 = 1,554,336.24/x - Step 3: Cross multiply
2,861,117.97x = 3,948,279.30 × 1,554,336.24 - Step 4: Simplify right side
2,861,117.97x = 6,136,953,601,631.83 - Step 5: Solve for x
x = 6,136,953,601,631.83/2,861,117.97 - Step 6: Final answer
x = 2,144,949.51
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1.5x scale
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.