Finding the Fourth Proportional to 1,631,272.58, 2,443,183.57 and 778,944.21
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Solution
The fourth proportional to 1,631,272.58, 2,443,183.57 and 778,944.21 is: 1,166,637.46
Step by Step Solution
- Step 1: Write the proportion equation
1,631,272.58 : 2,443,183.57 = 778,944.21 : x - Step 2: Convert to fraction form
1,631,272.58/2,443,183.57 = 778,944.21/x - Step 3: Cross multiply
1,631,272.58x = 2,443,183.57 × 778,944.21 - Step 4: Simplify right side
1,631,272.58x = 1,903,103,695,818.63 - Step 5: Solve for x
x = 1,903,103,695,818.63/1,631,272.58 - Step 6: Final answer
x = 1,166,637.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.