Finding the Fourth Proportional to 1,371,900.63, 2,057,108.74 and 1,089,408.58
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Solution
The fourth proportional to 1,371,900.63, 2,057,108.74 and 1,089,408.58 is: 1,633,523.49
Step by Step Solution
- Step 1: Write the proportion equation
1,371,900.63 : 2,057,108.74 = 1,089,408.58 : x - Step 2: Convert to fraction form
1,371,900.63/2,057,108.74 = 1,089,408.58/x - Step 3: Cross multiply
1,371,900.63x = 2,057,108.74 × 1,089,408.58 - Step 4: Simplify right side
1,371,900.63x = 2,241,031,911,348.99 - Step 5: Solve for x
x = 2,241,031,911,348.99/1,371,900.63 - Step 6: Final answer
x = 1,633,523.49
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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.