Finding the Fourth Proportional to 1,586,265.63, 2,188,815.63 and 907,070.91
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Solution
The fourth proportional to 1,586,265.63, 2,188,815.63 and 907,070.91 is: 1,251,625.80
Step by Step Solution
- Step 1: Write the proportion equation
1,586,265.63 : 2,188,815.63 = 907,070.91 : x - Step 2: Convert to fraction form
1,586,265.63/2,188,815.63 = 907,070.91/x - Step 3: Cross multiply
1,586,265.63x = 2,188,815.63 × 907,070.91 - Step 4: Simplify right side
1,586,265.63x = 1,985,410,985,326.32 - Step 5: Solve for x
x = 1,985,410,985,326.32/1,586,265.63 - Step 6: Final answer
x = 1,251,625.80
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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.