Finding the Fourth Proportional to 2,053,077.99, 3,079,641.51 and 1,243,639.14
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Solution
The fourth proportional to 2,053,077.99, 3,079,641.51 and 1,243,639.14 is: 1,865,473.57
Step by Step Solution
- Step 1: Write the proportion equation
2,053,077.99 : 3,079,641.51 = 1,243,639.14 : x - Step 2: Convert to fraction form
2,053,077.99/3,079,641.51 = 1,243,639.14/x - Step 3: Cross multiply
2,053,077.99x = 3,079,641.51 × 1,243,639.14 - Step 4: Simplify right side
2,053,077.99x = 3,829,962,719,004.70 - Step 5: Solve for x
x = 3,829,962,719,004.70/2,053,077.99 - Step 6: Final answer
x = 1,865,473.57
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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.