Finding the Fourth Proportional to 1,551,392.70, 2,327,089.05 and 486,520.62
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Solution
The fourth proportional to 1,551,392.70, 2,327,089.05 and 486,520.62 is: 729,780.93
Step by Step Solution
- Step 1: Write the proportion equation
1,551,392.70 : 2,327,089.05 = 486,520.62 : x - Step 2: Convert to fraction form
1,551,392.70/2,327,089.05 = 486,520.62/x - Step 3: Cross multiply
1,551,392.70x = 2,327,089.05 × 486,520.62 - Step 4: Simplify right side
1,551,392.70x = 1,132,176,807,401.21 - Step 5: Solve for x
x = 1,132,176,807,401.21/1,551,392.70 - Step 6: Final answer
x = 729,780.93
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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.