Finding the Fourth Proportional to 5,342,622.17, 8,013,820.86 and 1,299,130.92
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Solution
The fourth proportional to 5,342,622.17, 8,013,820.86 and 1,299,130.92 is: 1,948,669.05
Step by Step Solution
- Step 1: Write the proportion equation
5,342,622.17 : 8,013,820.86 = 1,299,130.92 : x - Step 2: Convert to fraction form
5,342,622.17/8,013,820.86 = 1,299,130.92/x - Step 3: Cross multiply
5,342,622.17x = 8,013,820.86 × 1,299,130.92 - Step 4: Simplify right side
5,342,622.17x = 10,411,002,466,566.99 - Step 5: Solve for x
x = 10,411,002,466,566.99/5,342,622.17 - Step 6: Final answer
x = 1,948,669.05
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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.