Finding the Fourth Proportional to 1,497,421.05, 2,246,256.15 and 486,520.62
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Solution
The fourth proportional to 1,497,421.05, 2,246,256.15 and 486,520.62 is: 729,821.41
Step by Step Solution
- Step 1: Write the proportion equation
1,497,421.05 : 2,246,256.15 = 486,520.62 : x - Step 2: Convert to fraction form
1,497,421.05/2,246,256.15 = 486,520.62/x - Step 3: Cross multiply
1,497,421.05x = 2,246,256.15 × 486,520.62 - Step 4: Simplify right side
1,497,421.05x = 1,092,849,934,776.81 - Step 5: Solve for x
x = 1,092,849,934,776.81/1,497,421.05 - Step 6: Final answer
x = 729,821.41
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1.5x scale
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.