Finding the Fourth Proportional to 1,815,612.12, 2,723,855.58 and 553,362.12
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Solution
The fourth proportional to 1,815,612.12, 2,723,855.58 and 553,362.12 is: 830,176.49
Step by Step Solution
- Step 1: Write the proportion equation
1,815,612.12 : 2,723,855.58 = 553,362.12 : x - Step 2: Convert to fraction form
1,815,612.12/2,723,855.58 = 553,362.12/x - Step 3: Cross multiply
1,815,612.12x = 2,723,855.58 × 553,362.12 - Step 4: Simplify right side
1,815,612.12x = 1,507,278,498,322.63 - Step 5: Solve for x
x = 1,507,278,498,322.63/1,815,612.12 - Step 6: Final answer
x = 830,176.49
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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.