Finding the Fourth Proportional to 1,217,484.36, 1,680,106.26 and 673,620.12
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Solution
The fourth proportional to 1,217,484.36, 1,680,106.26 and 673,620.12 is: 929,583.51
Step by Step Solution
- Step 1: Write the proportion equation
1,217,484.36 : 1,680,106.26 = 673,620.12 : x - Step 2: Convert to fraction form
1,217,484.36/1,680,106.26 = 673,620.12/x - Step 3: Cross multiply
1,217,484.36x = 1,680,106.26 × 673,620.12 - Step 4: Simplify right side
1,217,484.36x = 1,131,753,380,473.95 - Step 5: Solve for x
x = 1,131,753,380,473.95/1,217,484.36 - Step 6: Final answer
x = 929,583.51
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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.