Finding the Fourth Proportional to 2,531,302.91, 3,493,207.28 and 1,369,749.18
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Solution
The fourth proportional to 2,531,302.91, 3,493,207.28 and 1,369,749.18 is: 1,890,258.88
Step by Step Solution
- Step 1: Write the proportion equation
2,531,302.91 : 3,493,207.28 = 1,369,749.18 : x - Step 2: Convert to fraction form
2,531,302.91/3,493,207.28 = 1,369,749.18/x - Step 3: Cross multiply
2,531,302.91x = 3,493,207.28 × 1,369,749.18 - Step 4: Simplify right side
2,531,302.91x = 4,784,817,800,501.28 - Step 5: Solve for x
x = 4,784,817,800,501.28/2,531,302.91 - Step 6: Final answer
x = 1,890,258.88
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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.