Finding the Fourth Proportional to 3,240,473.53, 4,471,981.37 and 1,863,815.04
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Solution
The fourth proportional to 3,240,473.53, 4,471,981.37 and 1,863,815.04 is: 2,572,138.32
Step by Step Solution
- Step 1: Write the proportion equation
3,240,473.53 : 4,471,981.37 = 1,863,815.04 : x - Step 2: Convert to fraction form
3,240,473.53/4,471,981.37 = 1,863,815.04/x - Step 3: Cross multiply
3,240,473.53x = 4,471,981.37 × 1,863,815.04 - Step 4: Simplify right side
3,240,473.53x = 8,334,946,136,005.81 - Step 5: Solve for x
x = 8,334,946,136,005.81/3,240,473.53 - Step 6: Final answer
x = 2,572,138.32
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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.