Finding the Fourth Proportional to 5,110,555.98, 7,669,243.01 and 2,650,838.79
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Solution
The fourth proportional to 5,110,555.98, 7,669,243.01 and 2,650,838.79 is: 3,978,026.45
Step by Step Solution
- Step 1: Write the proportion equation
5,110,555.98 : 7,669,243.01 = 2,650,838.79 : x - Step 2: Convert to fraction form
5,110,555.98/7,669,243.01 = 2,650,838.79/x - Step 3: Cross multiply
5,110,555.98x = 7,669,243.01 × 2,650,838.79 - Step 4: Simplify right side
5,110,555.98x = 20,329,926,896,231.12 - Step 5: Solve for x
x = 20,329,926,896,231.12/5,110,555.98 - Step 6: Final answer
x = 3,978,026.45
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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.