Finding the Fourth Proportional to 1,916,889.24, 2,874,254.94 and 636,811.50
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Solution
The fourth proportional to 1,916,889.24, 2,874,254.94 and 636,811.50 is: 954,858.82
Step by Step Solution
- Step 1: Write the proportion equation
1,916,889.24 : 2,874,254.94 = 636,811.50 : x - Step 2: Convert to fraction form
1,916,889.24/2,874,254.94 = 636,811.50/x - Step 3: Cross multiply
1,916,889.24x = 2,874,254.94 × 636,811.50 - Step 4: Simplify right side
1,916,889.24x = 1,830,358,599,723.81 - Step 5: Solve for x
x = 1,830,358,599,723.81/1,916,889.24 - Step 6: Final answer
x = 954,858.82
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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.