Finding the Fourth Proportional to 2,044,969.42, 2,821,020.69 and 1,560,693.81
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Solution
The fourth proportional to 2,044,969.42, 2,821,020.69 and 1,560,693.81 is: 2,152,965.95
Step by Step Solution
- Step 1: Write the proportion equation
2,044,969.42 : 2,821,020.69 = 1,560,693.81 : x - Step 2: Convert to fraction form
2,044,969.42/2,821,020.69 = 1,560,693.81/x - Step 3: Cross multiply
2,044,969.42x = 2,821,020.69 × 1,560,693.81 - Step 4: Simplify right side
2,044,969.42x = 4,402,749,528,764.93 - Step 5: Solve for x
x = 4,402,749,528,764.93/2,044,969.42 - Step 6: Final answer
x = 2,152,965.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.