Finding the Fourth Proportional to 2,076,982.02, 2,866,379.31 and 1,159,389.99
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Solution
The fourth proportional to 2,076,982.02, 2,866,379.31 and 1,159,389.99 is: 1,600,038.64
Step by Step Solution
- Step 1: Write the proportion equation
2,076,982.02 : 2,866,379.31 = 1,159,389.99 : x - Step 2: Convert to fraction form
2,076,982.02/2,866,379.31 = 1,159,389.99/x - Step 3: Cross multiply
2,076,982.02x = 2,866,379.31 × 1,159,389.99 - Step 4: Simplify right side
2,076,982.02x = 3,323,251,479,557.11 - Step 5: Solve for x
x = 3,323,251,479,557.11/2,076,982.02 - Step 6: Final answer
x = 1,600,038.64
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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.