Finding the Fourth Proportional to 1,534,371.53, 2,118,340.01 and 1,364,134.64
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Solution
The fourth proportional to 1,534,371.53, 2,118,340.01 and 1,364,134.64 is: 1,883,312.44
Step by Step Solution
- Step 1: Write the proportion equation
1,534,371.53 : 2,118,340.01 = 1,364,134.64 : x - Step 2: Convert to fraction form
1,534,371.53/2,118,340.01 = 1,364,134.64/x - Step 3: Cross multiply
1,534,371.53x = 2,118,340.01 × 1,364,134.64 - Step 4: Simplify right side
1,534,371.53x = 2,889,700,986,938.95 - Step 5: Solve for x
x = 2,889,700,986,938.95/1,534,371.53 - Step 6: Final answer
x = 1,883,312.44
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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.