Finding the Fourth Proportional to 1,418,262.06, 2,127,376.69 and 407,408.80
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Solution
The fourth proportional to 1,418,262.06, 2,127,376.69 and 407,408.80 is: 611,108.49
Step by Step Solution
- Step 1: Write the proportion equation
1,418,262.06 : 2,127,376.69 = 407,408.80 : x - Step 2: Convert to fraction form
1,418,262.06/2,127,376.69 = 407,408.80/x - Step 3: Cross multiply
1,418,262.06x = 2,127,376.69 × 407,408.80 - Step 4: Simplify right side
1,418,262.06x = 866,711,984,420.87 - Step 5: Solve for x
x = 866,711,984,420.87/1,418,262.06 - Step 6: Final answer
x = 611,108.49
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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.