Finding the Fourth Proportional to 3,975,536.88, 5,484,799.98 and 2,255,661.18
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Solution
The fourth proportional to 3,975,536.88, 5,484,799.98 and 2,255,661.18 is: 3,111,994.87
Step by Step Solution
- Step 1: Write the proportion equation
3,975,536.88 : 5,484,799.98 = 2,255,661.18 : x - Step 2: Convert to fraction form
3,975,536.88/5,484,799.98 = 2,255,661.18/x - Step 3: Cross multiply
3,975,536.88x = 5,484,799.98 × 2,255,661.18 - Step 4: Simplify right side
3,975,536.88x = 12,371,850,394,950.78 - Step 5: Solve for x
x = 12,371,850,394,950.78/3,975,536.88 - Step 6: Final answer
x = 3,111,994.87
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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.