Finding the Fourth Proportional to 3,510,621.80, 5,269,043.12 and 1,805,967.08
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Solution
The fourth proportional to 3,510,621.80, 5,269,043.12 and 1,805,967.08 is: 2,710,550.71
Step by Step Solution
- Step 1: Write the proportion equation
3,510,621.80 : 5,269,043.12 = 1,805,967.08 : x - Step 2: Convert to fraction form
3,510,621.80/5,269,043.12 = 1,805,967.08/x - Step 3: Cross multiply
3,510,621.80x = 5,269,043.12 × 1,805,967.08 - Step 4: Simplify right side
3,510,621.80x = 9,515,718,417,820.49 - Step 5: Solve for x
x = 9,515,718,417,820.49/3,510,621.80 - Step 6: Final answer
x = 2,710,550.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.