Finding the Fourth Proportional to 3,864,770.16, 5,771,130.06 and 3,156,203.76
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Solution
The fourth proportional to 3,864,770.16, 5,771,130.06 and 3,156,203.76 is: 4,713,051.91
Step by Step Solution
- Step 1: Write the proportion equation
3,864,770.16 : 5,771,130.06 = 3,156,203.76 : x - Step 2: Convert to fraction form
3,864,770.16/5,771,130.06 = 3,156,203.76/x - Step 3: Cross multiply
3,864,770.16x = 5,771,130.06 × 3,156,203.76 - Step 4: Simplify right side
3,864,770.16x = 18,214,862,394,821.02 - Step 5: Solve for x
x = 18,214,862,394,821.02/3,864,770.16 - Step 6: Final answer
x = 4,713,051.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.