Finding the Fourth Proportional to 1,815,613.12, 2,723,857.08 and 553,363.12
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Solution
The fourth proportional to 1,815,613.12, 2,723,857.08 and 553,363.12 is: 830,177.99
Step by Step Solution
- Step 1: Write the proportion equation
1,815,613.12 : 2,723,857.08 = 553,363.12 : x - Step 2: Convert to fraction form
1,815,613.12/2,723,857.08 = 553,363.12/x - Step 3: Cross multiply
1,815,613.12x = 2,723,857.08 × 553,363.12 - Step 4: Simplify right side
1,815,613.12x = 1,507,282,052,222.89 - Step 5: Solve for x
x = 1,507,282,052,222.89/1,815,613.12 - Step 6: Final answer
x = 830,177.99
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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.