Finding the Fourth Proportional to 4,148,643.52, 6,225,874.08 and 1,719,834.20
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Solution
The fourth proportional to 4,148,643.52, 6,225,874.08 and 1,719,834.20 is: 2,580,957.15
Step by Step Solution
- Step 1: Write the proportion equation
4,148,643.52 : 6,225,874.08 = 1,719,834.20 : x - Step 2: Convert to fraction form
4,148,643.52/6,225,874.08 = 1,719,834.20/x - Step 3: Cross multiply
4,148,643.52x = 6,225,874.08 × 1,719,834.20 - Step 4: Simplify right side
4,148,643.52x = 10,707,471,167,677.54 - Step 5: Solve for x
x = 10,707,471,167,677.54/4,148,643.52 - Step 6: Final answer
x = 2,580,957.15
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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.