Finding the Fourth Proportional to 1,782,991.20, 2,459,929.44 and 1,018,503.52
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Solution
The fourth proportional to 1,782,991.20, 2,459,929.44 and 1,018,503.52 is: 1,405,193.02
Step by Step Solution
- Step 1: Write the proportion equation
1,782,991.20 : 2,459,929.44 = 1,018,503.52 : x - Step 2: Convert to fraction form
1,782,991.20/2,459,929.44 = 1,018,503.52/x - Step 3: Cross multiply
1,782,991.20x = 2,459,929.44 × 1,018,503.52 - Step 4: Simplify right side
1,782,991.20x = 2,505,446,793,591.63 - Step 5: Solve for x
x = 2,505,446,793,591.63/1,782,991.20 - Step 6: Final answer
x = 1,405,193.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.