Finding the Fourth Proportional to 1,644,451.53, 2,269,359.93 and 919,339.53
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Solution
The fourth proportional to 1,644,451.53, 2,269,359.93 and 919,339.53 is: 1,268,697.95
Step by Step Solution
- Step 1: Write the proportion equation
1,644,451.53 : 2,269,359.93 = 919,339.53 : x - Step 2: Convert to fraction form
1,644,451.53/2,269,359.93 = 919,339.53/x - Step 3: Cross multiply
1,644,451.53x = 2,269,359.93 × 919,339.53 - Step 4: Simplify right side
1,644,451.53x = 2,086,312,291,447.03 - Step 5: Solve for x
x = 2,086,312,291,447.03/1,644,451.53 - Step 6: Final answer
x = 1,268,697.95
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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.