Finding the Fourth Proportional to 1,685,837.28, 2,326,455.36 and 921,891.36
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Solution
The fourth proportional to 1,685,837.28, 2,326,455.36 and 921,891.36 is: 1,272,210.03
Step by Step Solution
- Step 1: Write the proportion equation
1,685,837.28 : 2,326,455.36 = 921,891.36 : x - Step 2: Convert to fraction form
1,685,837.28/2,326,455.36 = 921,891.36/x - Step 3: Cross multiply
1,685,837.28x = 2,326,455.36 × 921,891.36 - Step 4: Simplify right side
1,685,837.28x = 2,144,739,095,809.69 - Step 5: Solve for x
x = 2,144,739,095,809.69/1,685,837.28 - Step 6: Final answer
x = 1,272,210.03
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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.