Finding the Fourth Proportional to 2,867,812.30, 3,957,579.84 and 1,578,646
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Solution
The fourth proportional to 2,867,812.30, 3,957,579.84 and 1,578,646 is: 2,178,530.86
Step by Step Solution
- Step 1: Write the proportion equation
2,867,812.30 : 3,957,579.84 = 1,578,646 : x - Step 2: Convert to fraction form
2,867,812.30/3,957,579.84 = 1,578,646/x - Step 3: Cross multiply
2,867,812.30x = 3,957,579.84 × 1,578,646 - Step 4: Simplify right side
2,867,812.30x = 6,247,617,584,096.64 - Step 5: Solve for x
x = 6,247,617,584,096.64/2,867,812.30 - Step 6: Final answer
x = 2,178,530.86
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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.