Finding the Fourth Proportional to 2,178,772.08, 3,268,158.41 and 581,341.11
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Solution
The fourth proportional to 2,178,772.08, 3,268,158.41 and 581,341.11 is: 872,011.74
Step by Step Solution
- Step 1: Write the proportion equation
2,178,772.08 : 3,268,158.41 = 581,341.11 : x - Step 2: Convert to fraction form
2,178,772.08/3,268,158.41 = 581,341.11/x - Step 3: Cross multiply
2,178,772.08x = 3,268,158.41 × 581,341.11 - Step 4: Simplify right side
2,178,772.08x = 1,899,914,837,725.24 - Step 5: Solve for x
x = 1,899,914,837,725.24/2,178,772.08 - Step 6: Final answer
x = 872,011.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.