Finding the Fourth Proportional to 3,931,622.08, 5,423,557.44 and 2,705,799.40
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Solution
The fourth proportional to 3,931,622.08, 5,423,557.44 and 2,705,799.40 is: 3,732,570.98
Step by Step Solution
- Step 1: Write the proportion equation
3,931,622.08 : 5,423,557.44 = 2,705,799.40 : x - Step 2: Convert to fraction form
3,931,622.08/5,423,557.44 = 2,705,799.40/x - Step 3: Cross multiply
3,931,622.08x = 5,423,557.44 × 2,705,799.40 - Step 4: Simplify right side
3,931,622.08x = 14,675,058,467,017.54 - Step 5: Solve for x
x = 14,675,058,467,017.54/3,931,622.08 - Step 6: Final answer
x = 3,732,570.98
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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.