Finding the Fourth Proportional to 4,309,920.68, 6,465,827.16 and 1,277,520.44
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Solution
The fourth proportional to 4,309,920.68, 6,465,827.16 and 1,277,520.44 is: 1,916,561.11
Step by Step Solution
- Step 1: Write the proportion equation
4,309,920.68 : 6,465,827.16 = 1,277,520.44 : x - Step 2: Convert to fraction form
4,309,920.68/6,465,827.16 = 1,277,520.44/x - Step 3: Cross multiply
4,309,920.68x = 6,465,827.16 × 1,277,520.44 - Step 4: Simplify right side
4,309,920.68x = 8,260,226,358,407.15 - Step 5: Solve for x
x = 8,260,226,358,407.15/4,309,920.68 - Step 6: Final answer
x = 1,916,561.11
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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.