Finding the Fourth Proportional to 2,276,056.63, 3,140,921.49 and 1,243,542.24
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Solution
The fourth proportional to 2,276,056.63, 3,140,921.49 and 1,243,542.24 is: 1,716,068.26
Step by Step Solution
- Step 1: Write the proportion equation
2,276,056.63 : 3,140,921.49 = 1,243,542.24 : x - Step 2: Convert to fraction form
2,276,056.63/3,140,921.49 = 1,243,542.24/x - Step 3: Cross multiply
2,276,056.63x = 3,140,921.49 × 1,243,542.24 - Step 4: Simplify right side
2,276,056.63x = 3,905,868,529,634.13 - Step 5: Solve for x
x = 3,905,868,529,634.13/2,276,056.63 - Step 6: Final answer
x = 1,716,068.26
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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.