Finding the Fourth Proportional to 4,128,374.05, 5,697,226.64 and 2,267,868.04
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Solution
The fourth proportional to 4,128,374.05, 5,697,226.64 and 2,267,868.04 is: 3,129,696.60
Step by Step Solution
- Step 1: Write the proportion equation
4,128,374.05 : 5,697,226.64 = 2,267,868.04 : x - Step 2: Convert to fraction form
4,128,374.05/5,697,226.64 = 2,267,868.04/x - Step 3: Cross multiply
4,128,374.05x = 5,697,226.64 × 2,267,868.04 - Step 4: Simplify right side
4,128,374.05x = 12,920,558,204,919.19 - Step 5: Solve for x
x = 12,920,558,204,919.19/4,128,374.05 - Step 6: Final answer
x = 3,129,696.60
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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.