Finding the Fourth Proportional to 5,514,405.30, 8,271,607.95 and 1,676,220.30
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Solution
The fourth proportional to 5,514,405.30, 8,271,607.95 and 1,676,220.30 is: 2,514,330.45
Step by Step Solution
- Step 1: Write the proportion equation
5,514,405.30 : 8,271,607.95 = 1,676,220.30 : x - Step 2: Convert to fraction form
5,514,405.30/8,271,607.95 = 1,676,220.30/x - Step 3: Cross multiply
5,514,405.30x = 8,271,607.95 × 1,676,220.30 - Step 4: Simplify right side
5,514,405.30x = 13,865,037,159,431.38 - Step 5: Solve for x
x = 13,865,037,159,431.38/5,514,405.30 - Step 6: Final answer
x = 2,514,330.45
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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.