Finding the Fourth Proportional to 3,827,651.94, 5,281,063.65 and 2,277,618.12
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Solution
The fourth proportional to 3,827,651.94, 5,281,063.65 and 2,277,618.12 is: 3,142,460.82
Step by Step Solution
- Step 1: Write the proportion equation
3,827,651.94 : 5,281,063.65 = 2,277,618.12 : x - Step 2: Convert to fraction form
3,827,651.94/5,281,063.65 = 2,277,618.12/x - Step 3: Cross multiply
3,827,651.94x = 5,281,063.65 × 2,277,618.12 - Step 4: Simplify right side
3,827,651.94x = 12,028,246,262,113.34 - Step 5: Solve for x
x = 12,028,246,262,113.34/3,827,651.94 - Step 6: Final answer
x = 3,142,460.82
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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.