Finding the Fourth Proportional to 5,163,874.77, 7,125,922.47 and 2,840,620
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Solution
The fourth proportional to 5,163,874.77, 7,125,922.47 and 2,840,620 is: 3,919,931.99
Step by Step Solution
- Step 1: Write the proportion equation
5,163,874.77 : 7,125,922.47 = 2,840,620 : x - Step 2: Convert to fraction form
5,163,874.77/7,125,922.47 = 2,840,620/x - Step 3: Cross multiply
5,163,874.77x = 7,125,922.47 × 2,840,620 - Step 4: Simplify right side
5,163,874.77x = 20,242,037,886,731.40 - Step 5: Solve for x
x = 20,242,037,886,731.40/5,163,874.77 - Step 6: Final answer
x = 3,919,931.99
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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.