Finding the Fourth Proportional to 1,529,341.13, 2,294,011.58 and 728,193.82
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Solution
The fourth proportional to 1,529,341.13, 2,294,011.58 and 728,193.82 is: 1,092,290.68
Step by Step Solution
- Step 1: Write the proportion equation
1,529,341.13 : 2,294,011.58 = 728,193.82 : x - Step 2: Convert to fraction form
1,529,341.13/2,294,011.58 = 728,193.82/x - Step 3: Cross multiply
1,529,341.13x = 2,294,011.58 × 728,193.82 - Step 4: Simplify right side
1,529,341.13x = 1,670,485,061,037.71 - Step 5: Solve for x
x = 1,670,485,061,037.71/1,529,341.13 - Step 6: Final answer
x = 1,092,290.68
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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.