Finding the Fourth Proportional to 1,453,420.28, 2,193,782.18 and 1,453,420.28
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Solution
The fourth proportional to 1,453,420.28, 2,193,782.18 and 1,453,420.28 is: 2,193,782.18
Step by Step Solution
- Step 1: Write the proportion equation
1,453,420.28 : 2,193,782.18 = 1,453,420.28 : x - Step 2: Convert to fraction form
1,453,420.28/2,193,782.18 = 1,453,420.28/x - Step 3: Cross multiply
1,453,420.28x = 2,193,782.18 × 1,453,420.28 - Step 4: Simplify right side
1,453,420.28x = 3,188,487,510,314.61 - Step 5: Solve for x
x = 3,188,487,510,314.61/1,453,420.28 - Step 6: Final answer
x = 2,193,782.18
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.