Finding the Fourth Proportional to 1,917,992.19, 2,877,461.87 and 570,149.03
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Solution
The fourth proportional to 1,917,992.19, 2,877,461.87 and 570,149.03 is: 855,364.32
Step by Step Solution
- Step 1: Write the proportion equation
1,917,992.19 : 2,877,461.87 = 570,149.03 : x - Step 2: Convert to fraction form
1,917,992.19/2,877,461.87 = 570,149.03/x - Step 3: Cross multiply
1,917,992.19x = 2,877,461.87 × 570,149.03 - Step 4: Simplify right side
1,917,992.19x = 1,640,582,076,804.43 - Step 5: Solve for x
x = 1,640,582,076,804.43/1,917,992.19 - Step 6: Final answer
x = 855,364.32
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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.