Finding the Fourth Proportional to 3,736,888.68, 5,156,906.28 and 2,018,009.18
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Solution
The fourth proportional to 3,736,888.68, 5,156,906.28 and 2,018,009.18 is: 2,784,852.62
Step by Step Solution
- Step 1: Write the proportion equation
3,736,888.68 : 5,156,906.28 = 2,018,009.18 : x - Step 2: Convert to fraction form
3,736,888.68/5,156,906.28 = 2,018,009.18/x - Step 3: Cross multiply
3,736,888.68x = 5,156,906.28 × 2,018,009.18 - Step 4: Simplify right side
3,736,888.68x = 10,406,684,213,439.65 - Step 5: Solve for x
x = 10,406,684,213,439.65/3,736,888.68 - Step 6: Final answer
x = 2,784,852.62
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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.