Finding the Fourth Proportional to 5,012,103.12, 6,916,709.04 and 2,720,263.84
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Solution
The fourth proportional to 5,012,103.12, 6,916,709.04 and 2,720,263.84 is: 3,753,967.75
Step by Step Solution
- Step 1: Write the proportion equation
5,012,103.12 : 6,916,709.04 = 2,720,263.84 : x - Step 2: Convert to fraction form
5,012,103.12/6,916,709.04 = 2,720,263.84/x - Step 3: Cross multiply
5,012,103.12x = 6,916,709.04 × 2,720,263.84 - Step 4: Simplify right side
5,012,103.12x = 18,815,273,493,313.11 - Step 5: Solve for x
x = 18,815,273,493,313.11/5,012,103.12 - Step 6: Final answer
x = 3,753,967.75
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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.