Finding the Fourth Proportional to 1,553,690.54, 2,330,543.10 and 542,808.12
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Solution
The fourth proportional to 1,553,690.54, 2,330,543.10 and 542,808.12 is: 814,214.73
Step by Step Solution
- Step 1: Write the proportion equation
1,553,690.54 : 2,330,543.10 = 542,808.12 : x - Step 2: Convert to fraction form
1,553,690.54/2,330,543.10 = 542,808.12/x - Step 3: Cross multiply
1,553,690.54x = 2,330,543.10 × 542,808.12 - Step 4: Simplify right side
1,553,690.54x = 1,265,037,718,689.97 - Step 5: Solve for x
x = 1,265,037,718,689.97/1,553,690.54 - Step 6: Final answer
x = 814,214.73
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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.