Finding the Fourth Proportional to 2,631,363.44, 3,631,281.48 and 1,424,139.44
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Solution
The fourth proportional to 2,631,363.44, 3,631,281.48 and 1,424,139.44 is: 1,965,312.39
Step by Step Solution
- Step 1: Write the proportion equation
2,631,363.44 : 3,631,281.48 = 1,424,139.44 : x - Step 2: Convert to fraction form
2,631,363.44/3,631,281.48 = 1,424,139.44/x - Step 3: Cross multiply
2,631,363.44x = 3,631,281.48 × 1,424,139.44 - Step 4: Simplify right side
2,631,363.44x = 5,171,451,173,409.57 - Step 5: Solve for x
x = 5,171,451,173,409.57/2,631,363.44 - Step 6: Final answer
x = 1,965,312.39
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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.