Finding the Fourth Proportional to 1,348,014.76, 2,021,802.36 and 449,463.94
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Solution
The fourth proportional to 1,348,014.76, 2,021,802.36 and 449,463.94 is: 674,122.63
Step by Step Solution
- Step 1: Write the proportion equation
1,348,014.76 : 2,021,802.36 = 449,463.94 : x - Step 2: Convert to fraction form
1,348,014.76/2,021,802.36 = 449,463.94/x - Step 3: Cross multiply
1,348,014.76x = 2,021,802.36 × 449,463.94 - Step 4: Simplify right side
1,348,014.76x = 908,727,254,626.90 - Step 5: Solve for x
x = 908,727,254,626.90/1,348,014.76 - Step 6: Final answer
x = 674,122.63
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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.