Finding the Fourth Proportional to 2,449,919.21, 3,675,369.35 and 1,371,964.71
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Solution
The fourth proportional to 2,449,919.21, 3,675,369.35 and 1,371,964.71 is: 2,058,221.77
Step by Step Solution
- Step 1: Write the proportion equation
2,449,919.21 : 3,675,369.35 = 1,371,964.71 : x - Step 2: Convert to fraction form
2,449,919.21/3,675,369.35 = 1,371,964.71/x - Step 3: Cross multiply
2,449,919.21x = 3,675,369.35 × 1,371,964.71 - Step 4: Simplify right side
2,449,919.21x = 5,042,477,037,555.82 - Step 5: Solve for x
x = 5,042,477,037,555.82/2,449,919.21 - Step 6: Final answer
x = 2,058,221.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.