Finding the Fourth Proportional to 1,916,774.80, 2,874,857.36 and 637,275.94
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Solution
The fourth proportional to 1,916,774.80, 2,874,857.36 and 637,275.94 is: 955,812.55
Step by Step Solution
- Step 1: Write the proportion equation
1,916,774.80 : 2,874,857.36 = 637,275.94 : x - Step 2: Convert to fraction form
1,916,774.80/2,874,857.36 = 637,275.94/x - Step 3: Cross multiply
1,916,774.80x = 2,874,857.36 × 637,275.94 - Step 4: Simplify right side
1,916,774.80x = 1,832,077,412,085.63 - Step 5: Solve for x
x = 1,832,077,412,085.63/1,916,774.80 - Step 6: Final answer
x = 955,812.55
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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.