Finding the Fourth Proportional to 1,962,346.99, 2,943,520.53 and 614,615.05
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Solution
The fourth proportional to 1,962,346.99, 2,943,520.53 and 614,615.05 is: 921,922.59
Step by Step Solution
- Step 1: Write the proportion equation
1,962,346.99 : 2,943,520.53 = 614,615.05 : x - Step 2: Convert to fraction form
1,962,346.99/2,943,520.53 = 614,615.05/x - Step 3: Cross multiply
1,962,346.99x = 2,943,520.53 × 614,615.05 - Step 4: Simplify right side
1,962,346.99x = 1,809,132,017,721.98 - Step 5: Solve for x
x = 1,809,132,017,721.98/1,962,346.99 - Step 6: Final answer
x = 921,922.59
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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.