Finding the Fourth Proportional to 2,138,298.96, 2,950,852.32 and 1,278,859.08
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Solution
The fourth proportional to 2,138,298.96, 2,950,852.32 and 1,278,859.08 is: 1,764,825.38
Step by Step Solution
- Step 1: Write the proportion equation
2,138,298.96 : 2,950,852.32 = 1,278,859.08 : x - Step 2: Convert to fraction form
2,138,298.96/2,950,852.32 = 1,278,859.08/x - Step 3: Cross multiply
2,138,298.96x = 2,950,852.32 × 1,278,859.08 - Step 4: Simplify right side
2,138,298.96x = 3,773,724,283,171.07 - Step 5: Solve for x
x = 3,773,724,283,171.07/2,138,298.96 - Step 6: Final answer
x = 1,764,825.38
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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.