Finding the Fourth Proportional to 1,497,129.89, 2,246,338.17 and 486,561.53
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Solution
The fourth proportional to 1,497,129.89, 2,246,338.17 and 486,561.53 is: 730,051.38
Step by Step Solution
- Step 1: Write the proportion equation
1,497,129.89 : 2,246,338.17 = 486,561.53 : x - Step 2: Convert to fraction form
1,497,129.89/2,246,338.17 = 486,561.53/x - Step 3: Cross multiply
1,497,129.89x = 2,246,338.17 × 486,561.53 - Step 4: Simplify right side
1,497,129.89x = 1,092,981,742,508.45 - Step 5: Solve for x
x = 1,092,981,742,508.45/1,497,129.89 - Step 6: Final answer
x = 730,051.38
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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.