Finding the Fourth Proportional to 1,555,326, 2,146,349.91 and 839,934
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Solution
The fourth proportional to 1,555,326, 2,146,349.91 and 839,934 is: 1,159,108.94
Step by Step Solution
- Step 1: Write the proportion equation
1,555,326 : 2,146,349.91 = 839,934 : x - Step 2: Convert to fraction form
1,555,326/2,146,349.91 = 839,934/x - Step 3: Cross multiply
1,555,326x = 2,146,349.91 × 839,934 - Step 4: Simplify right side
1,555,326x = 1,802,792,265,305.94 - Step 5: Solve for x
x = 1,802,792,265,305.94/1,555,326 - Step 6: Final answer
x = 1,159,108.94
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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.