Finding the Fourth Proportional to 1,518,025.23, 2,276,998.64 and 493,349.78
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Solution
The fourth proportional to 1,518,025.23, 2,276,998.64 and 493,349.78 is: 740,011.93
Step by Step Solution
- Step 1: Write the proportion equation
1,518,025.23 : 2,276,998.64 = 493,349.78 : x - Step 2: Convert to fraction form
1,518,025.23/2,276,998.64 = 493,349.78/x - Step 3: Cross multiply
1,518,025.23x = 2,276,998.64 × 493,349.78 - Step 4: Simplify right side
1,518,025.23x = 1,123,356,781,232.18 - Step 5: Solve for x
x = 1,123,356,781,232.18/1,518,025.23 - Step 6: Final answer
x = 740,011.93
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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.