Finding the Fourth Proportional to 1,635,178.75, 2,256,516.39 and 910,020.07
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Solution
The fourth proportional to 1,635,178.75, 2,256,516.39 and 910,020.07 is: 1,255,810.85
Step by Step Solution
- Step 1: Write the proportion equation
1,635,178.75 : 2,256,516.39 = 910,020.07 : x - Step 2: Convert to fraction form
1,635,178.75/2,256,516.39 = 910,020.07/x - Step 3: Cross multiply
1,635,178.75x = 2,256,516.39 × 910,020.07 - Step 4: Simplify right side
1,635,178.75x = 2,053,475,209,417.17 - Step 5: Solve for x
x = 2,053,475,209,417.17/1,635,178.75 - Step 6: Final answer
x = 1,255,810.85
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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.