Finding the Fourth Proportional to 1,812,415.21, 2,501,292.36 and 996,762.63
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Solution
The fourth proportional to 1,812,415.21, 2,501,292.36 and 996,762.63 is: 1,375,620.07
Step by Step Solution
- Step 1: Write the proportion equation
1,812,415.21 : 2,501,292.36 = 996,762.63 : x - Step 2: Convert to fraction form
1,812,415.21/2,501,292.36 = 996,762.63/x - Step 3: Cross multiply
1,812,415.21x = 2,501,292.36 × 996,762.63 - Step 4: Simplify right side
1,812,415.21x = 2,493,194,738,646.05 - Step 5: Solve for x
x = 2,493,194,738,646.05/1,812,415.21 - Step 6: Final answer
x = 1,375,620.07
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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.