Finding the Fourth Proportional to 1,545,747.23, 2,133,165.38 and 857,396.68
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Solution
The fourth proportional to 1,545,747.23, 2,133,165.38 and 857,396.68 is: 1,183,226.38
Step by Step Solution
- Step 1: Write the proportion equation
1,545,747.23 : 2,133,165.38 = 857,396.68 : x - Step 2: Convert to fraction form
1,545,747.23/2,133,165.38 = 857,396.68/x - Step 3: Cross multiply
1,545,747.23x = 2,133,165.38 × 857,396.68 - Step 4: Simplify right side
1,545,747.23x = 1,828,968,905,083.04 - Step 5: Solve for x
x = 1,828,968,905,083.04/1,545,747.23 - Step 6: Final answer
x = 1,183,226.38
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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.