Finding the Fourth Proportional to 6,367,545.12, 8,787,129.84 and 3,466,902.72
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Solution
The fourth proportional to 6,367,545.12, 8,787,129.84 and 3,466,902.72 is: 4,784,280.88
Step by Step Solution
- Step 1: Write the proportion equation
6,367,545.12 : 8,787,129.84 = 3,466,902.72 : x - Step 2: Convert to fraction form
6,367,545.12/8,787,129.84 = 3,466,902.72/x - Step 3: Cross multiply
6,367,545.12x = 8,787,129.84 × 3,466,902.72 - Step 4: Simplify right side
6,367,545.12x = 30,464,124,343,289.17 - Step 5: Solve for x
x = 30,464,124,343,289.17/6,367,545.12 - Step 6: Final answer
x = 4,784,280.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.