Finding the Fourth Proportional to 5,191,103.36, 7,163,014.88 and 2,898,971.84
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Solution
The fourth proportional to 5,191,103.36, 7,163,014.88 and 2,898,971.84 is: 4,000,185.89
Step by Step Solution
- Step 1: Write the proportion equation
5,191,103.36 : 7,163,014.88 = 2,898,971.84 : x - Step 2: Convert to fraction form
5,191,103.36/7,163,014.88 = 2,898,971.84/x - Step 3: Cross multiply
5,191,103.36x = 7,163,014.88 × 2,898,971.84 - Step 4: Simplify right side
5,191,103.36x = 20,765,378,426,620.98 - Step 5: Solve for x
x = 20,765,378,426,620.98/5,191,103.36 - Step 6: Final answer
x = 4,000,185.89
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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.