Finding the Fourth Proportional to 3,209,652.62, 4,426,737.93 and 2,821,638.41
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Solution
The fourth proportional to 3,209,652.62, 4,426,737.93 and 2,821,638.41 is: 3,891,590.54
Step by Step Solution
- Step 1: Write the proportion equation
3,209,652.62 : 4,426,737.93 = 2,821,638.41 : x - Step 2: Convert to fraction form
3,209,652.62/4,426,737.93 = 2,821,638.41/x - Step 3: Cross multiply
3,209,652.62x = 4,426,737.93 × 2,821,638.41 - Step 4: Simplify right side
3,209,652.62x = 12,490,653,785,358.74 - Step 5: Solve for x
x = 12,490,653,785,358.74/3,209,652.62 - Step 6: Final answer
x = 3,891,590.54
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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.