Finding the Fourth Proportional to 2,270,877.49, 3,133,965.77 and 1,317,021.49
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Solution
The fourth proportional to 2,270,877.49, 3,133,965.77 and 1,317,021.49 is: 1,817,579.45
Step by Step Solution
- Step 1: Write the proportion equation
2,270,877.49 : 3,133,965.77 = 1,317,021.49 : x - Step 2: Convert to fraction form
2,270,877.49/3,133,965.77 = 1,317,021.49/x - Step 3: Cross multiply
2,270,877.49x = 3,133,965.77 × 1,317,021.49 - Step 4: Simplify right side
2,270,877.49x = 4,127,500,268,014.40 - Step 5: Solve for x
x = 4,127,500,268,014.40/2,270,877.49 - Step 6: Final answer
x = 1,817,579.45
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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.