Finding the Fourth Proportional to 2,270,876.49, 3,133,964.39 and 1,317,020.49
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Solution
The fourth proportional to 2,270,876.49, 3,133,964.39 and 1,317,020.49 is: 1,817,578.07
Step by Step Solution
- Step 1: Write the proportion equation
2,270,876.49 : 3,133,964.39 = 1,317,020.49 : x - Step 2: Convert to fraction form
2,270,876.49/3,133,964.39 = 1,317,020.49/x - Step 3: Cross multiply
2,270,876.49x = 3,133,964.39 × 1,317,020.49 - Step 4: Simplify right side
2,270,876.49x = 4,127,495,309,975.25 - Step 5: Solve for x
x = 4,127,495,309,975.25/2,270,876.49 - Step 6: Final answer
x = 1,817,578.07
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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.