Finding the Fourth Proportional to 1,637,631.74, 2,456,108.76 and 439,269.14
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Solution
The fourth proportional to 1,637,631.74, 2,456,108.76 and 439,269.14 is: 658,812.82
Step by Step Solution
- Step 1: Write the proportion equation
1,637,631.74 : 2,456,108.76 = 439,269.14 : x - Step 2: Convert to fraction form
1,637,631.74/2,456,108.76 = 439,269.14/x - Step 3: Cross multiply
1,637,631.74x = 2,456,108.76 × 439,269.14 - Step 4: Simplify right side
1,637,631.74x = 1,078,892,782,751.67 - Step 5: Solve for x
x = 1,078,892,782,751.67/1,637,631.74 - Step 6: Final answer
x = 658,812.82
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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.