Finding the Fourth Proportional to 8,579,267.96, 12,868,891.59 and 2,189,521.00
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Solution
The fourth proportional to 8,579,267.96, 12,868,891.59 and 2,189,521.00 is: 3,284,278.85
Step by Step Solution
- Step 1: Write the proportion equation
8,579,267.96 : 12,868,891.59 = 2,189,521.00 : x - Step 2: Convert to fraction form
8,579,267.96/12,868,891.59 = 2,189,521.00/x - Step 3: Cross multiply
8,579,267.96x = 12,868,891.59 × 2,189,521.00 - Step 4: Simplify right side
8,579,267.96x = 28,176,708,318,683.93 - Step 5: Solve for x
x = 28,176,708,318,683.93/8,579,267.96 - Step 6: Final answer
x = 3,284,278.85
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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.