Finding the Fourth Proportional to 1,337,580.24, 2,005,948.86 and 438,812.55
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Solution
The fourth proportional to 1,337,580.24, 2,005,948.86 and 438,812.55 is: 658,080.55
Step by Step Solution
- Step 1: Write the proportion equation
1,337,580.24 : 2,005,948.86 = 438,812.55 : x - Step 2: Convert to fraction form
1,337,580.24/2,005,948.86 = 438,812.55/x - Step 3: Cross multiply
1,337,580.24x = 2,005,948.86 × 438,812.55 - Step 4: Simplify right side
1,337,580.24x = 880,235,534,426.19 - Step 5: Solve for x
x = 880,235,534,426.19/1,337,580.24 - Step 6: Final answer
x = 658,080.55
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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.