Finding the Fourth Proportional to 2,875,975.17, 3,968,842.76 and 1,586,815.44
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Solution
The fourth proportional to 2,875,975.17, 3,968,842.76 and 1,586,815.44 is: 2,189,803.67
Step by Step Solution
- Step 1: Write the proportion equation
2,875,975.17 : 3,968,842.76 = 1,586,815.44 : x - Step 2: Convert to fraction form
2,875,975.17/3,968,842.76 = 1,586,815.44/x - Step 3: Cross multiply
2,875,975.17x = 3,968,842.76 × 1,586,815.44 - Step 4: Simplify right side
2,875,975.17x = 6,297,820,964,795.90 - Step 5: Solve for x
x = 6,297,820,964,795.90/2,875,975.17 - Step 6: Final answer
x = 2,189,803.67
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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.