Finding the Fourth Proportional to 2,817,620.16, 3,888,227.70 and 1,577,230.08
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Solution
The fourth proportional to 2,817,620.16, 3,888,227.70 and 1,577,230.08 is: 2,176,528.18
Step by Step Solution
- Step 1: Write the proportion equation
2,817,620.16 : 3,888,227.70 = 1,577,230.08 : x - Step 2: Convert to fraction form
2,817,620.16/3,888,227.70 = 1,577,230.08/x - Step 3: Cross multiply
2,817,620.16x = 3,888,227.70 × 1,577,230.08 - Step 4: Simplify right side
2,817,620.16x = 6,132,629,686,329.22 - Step 5: Solve for x
x = 6,132,629,686,329.22/2,817,620.16 - Step 6: Final answer
x = 2,176,528.18
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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.