Finding the Fourth Proportional to 1,602,135.11, 2,210,750.89 and 1,276,277.99
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Solution
The fourth proportional to 1,602,135.11, 2,210,750.89 and 1,276,277.99 is: 1,761,107.83
Step by Step Solution
- Step 1: Write the proportion equation
1,602,135.11 : 2,210,750.89 = 1,276,277.99 : x - Step 2: Convert to fraction form
1,602,135.11/2,210,750.89 = 1,276,277.99/x - Step 3: Cross multiply
1,602,135.11x = 2,210,750.89 × 1,276,277.99 - Step 4: Simplify right side
1,602,135.11x = 2,821,532,688,035.46 - Step 5: Solve for x
x = 2,821,532,688,035.46/1,602,135.11 - Step 6: Final answer
x = 1,761,107.83
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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.