Finding the Fourth Proportional to 1,474,402.55, 2,034,740.99 and 829,864.49
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Solution
The fourth proportional to 1,474,402.55, 2,034,740.99 and 829,864.49 is: 1,145,249.84
Step by Step Solution
- Step 1: Write the proportion equation
1,474,402.55 : 2,034,740.99 = 829,864.49 : x - Step 2: Convert to fraction form
1,474,402.55/2,034,740.99 = 829,864.49/x - Step 3: Cross multiply
1,474,402.55x = 2,034,740.99 × 829,864.49 - Step 4: Simplify right side
1,474,402.55x = 1,688,559,285,849.40 - Step 5: Solve for x
x = 1,688,559,285,849.40/1,474,402.55 - Step 6: Final answer
x = 1,145,249.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.