Finding the Fourth Proportional to 2,016,502.20, 2,782,969.14 and 1,506,318.84
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Solution
The fourth proportional to 2,016,502.20, 2,782,969.14 and 1,506,318.84 is: 2,078,866.49
Step by Step Solution
- Step 1: Write the proportion equation
2,016,502.20 : 2,782,969.14 = 1,506,318.84 : x - Step 2: Convert to fraction form
2,016,502.20/2,782,969.14 = 1,506,318.84/x - Step 3: Cross multiply
2,016,502.20x = 2,782,969.14 × 1,506,318.84 - Step 4: Simplify right side
2,016,502.20x = 4,192,038,846,720.60 - Step 5: Solve for x
x = 4,192,038,846,720.60/2,016,502.20 - Step 6: Final answer
x = 2,078,866.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.