Finding the Fourth Proportional to 2,029,515.63, 2,800,696.14 and 1,111,762.95
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Solution
The fourth proportional to 2,029,515.63, 2,800,696.14 and 1,111,762.95 is: 1,534,213.46
Step by Step Solution
- Step 1: Write the proportion equation
2,029,515.63 : 2,800,696.14 = 1,111,762.95 : x - Step 2: Convert to fraction form
2,029,515.63/2,800,696.14 = 1,111,762.95/x - Step 3: Cross multiply
2,029,515.63x = 2,800,696.14 × 1,111,762.95 - Step 4: Simplify right side
2,029,515.63x = 3,113,710,202,660.01 - Step 5: Solve for x
x = 3,113,710,202,660.01/2,029,515.63 - Step 6: Final answer
x = 1,534,213.46
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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.