Finding the Fourth Proportional to 1,911,576.98, 2,637,955.94 and 1,052,118.78
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Solution
The fourth proportional to 1,911,576.98, 2,637,955.94 and 1,052,118.78 is: 1,451,912.75
Step by Step Solution
- Step 1: Write the proportion equation
1,911,576.98 : 2,637,955.94 = 1,052,118.78 : x - Step 2: Convert to fraction form
1,911,576.98/2,637,955.94 = 1,052,118.78/x - Step 3: Cross multiply
1,911,576.98x = 2,637,955.94 × 1,052,118.78 - Step 4: Simplify right side
1,911,576.98x = 2,775,442,980,025.96 - Step 5: Solve for x
x = 2,775,442,980,025.96/1,911,576.98 - Step 6: Final answer
x = 1,451,912.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.