Finding the Fourth Proportional to 1,532,643.12, 2,115,048.15 and 888,436.98
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Solution
The fourth proportional to 1,532,643.12, 2,115,048.15 and 888,436.98 is: 1,226,043.41
Step by Step Solution
- Step 1: Write the proportion equation
1,532,643.12 : 2,115,048.15 = 888,436.98 : x - Step 2: Convert to fraction form
1,532,643.12/2,115,048.15 = 888,436.98/x - Step 3: Cross multiply
1,532,643.12x = 2,115,048.15 × 888,436.98 - Step 4: Simplify right side
1,532,643.12x = 1,879,086,990,940.59 - Step 5: Solve for x
x = 1,879,086,990,940.59/1,532,643.12 - Step 6: Final answer
x = 1,226,043.41
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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.