Finding the Fourth Proportional to 3,913,635.30, 5,401,072.16 and 2,259,852.18
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Solution
The fourth proportional to 3,913,635.30, 5,401,072.16 and 2,259,852.18 is: 3,118,743.51
Step by Step Solution
- Step 1: Write the proportion equation
3,913,635.30 : 5,401,072.16 = 2,259,852.18 : x - Step 2: Convert to fraction form
3,913,635.30/5,401,072.16 = 2,259,852.18/x - Step 3: Cross multiply
3,913,635.30x = 5,401,072.16 × 2,259,852.18 - Step 4: Simplify right side
3,913,635.30x = 12,205,624,695,113.31 - Step 5: Solve for x
x = 12,205,624,695,113.31/3,913,635.30 - Step 6: Final answer
x = 3,118,743.51
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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.