Finding the Fourth Proportional to 1,545,841.70, 2,133,282.57 and 1,157,969.98
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Solution
The fourth proportional to 1,545,841.70, 2,133,282.57 and 1,157,969.98 is: 1,598,014.32
Step by Step Solution
- Step 1: Write the proportion equation
1,545,841.70 : 2,133,282.57 = 1,157,969.98 : x - Step 2: Convert to fraction form
1,545,841.70/2,133,282.57 = 1,157,969.98/x - Step 3: Cross multiply
1,545,841.70x = 2,133,282.57 × 1,157,969.98 - Step 4: Simplify right side
1,545,841.70x = 2,470,277,174,917.25 - Step 5: Solve for x
x = 2,470,277,174,917.25/1,545,841.70 - Step 6: Final answer
x = 1,598,014.32
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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.