Finding the Fourth Proportional to 2,817,764.10, 3,888,512.58 and 1,528,604.58
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Solution
The fourth proportional to 2,817,764.10, 3,888,512.58 and 1,528,604.58 is: 2,109,473.30
Step by Step Solution
- Step 1: Write the proportion equation
2,817,764.10 : 3,888,512.58 = 1,528,604.58 : x - Step 2: Convert to fraction form
2,817,764.10/3,888,512.58 = 1,528,604.58/x - Step 3: Cross multiply
2,817,764.10x = 3,888,512.58 × 1,528,604.58 - Step 4: Simplify right side
2,817,764.10x = 5,943,998,139,175.62 - Step 5: Solve for x
x = 5,943,998,139,175.62/2,817,764.10 - Step 6: Final answer
x = 2,109,473.30
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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.