Finding the Fourth Proportional to 4,756,072.96, 7,134,853.38 and 1,560,472.48
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Solution
The fourth proportional to 4,756,072.96, 7,134,853.38 and 1,560,472.48 is: 2,340,952.81
Step by Step Solution
- Step 1: Write the proportion equation
4,756,072.96 : 7,134,853.38 = 1,560,472.48 : x - Step 2: Convert to fraction form
4,756,072.96/7,134,853.38 = 1,560,472.48/x - Step 3: Cross multiply
4,756,072.96x = 7,134,853.38 × 1,560,472.48 - Step 4: Simplify right side
4,756,072.96x = 11,133,742,348,324.98 - Step 5: Solve for x
x = 11,133,742,348,324.98/4,756,072.96 - Step 6: Final answer
x = 2,340,952.81
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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.