Finding the Fourth Proportional to 1,641,257.19, 2,264,929.32 and 916,098.63
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Solution
The fourth proportional to 1,641,257.19, 2,264,929.32 and 916,098.63 is: 1,264,212.98
Step by Step Solution
- Step 1: Write the proportion equation
1,641,257.19 : 2,264,929.32 = 916,098.63 : x - Step 2: Convert to fraction form
1,641,257.19/2,264,929.32 = 916,098.63/x - Step 3: Cross multiply
1,641,257.19x = 2,264,929.32 × 916,098.63 - Step 4: Simplify right side
1,641,257.19x = 2,074,898,647,098.83 - Step 5: Solve for x
x = 2,074,898,647,098.83/1,641,257.19 - Step 6: Final answer
x = 1,264,212.98
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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.