Finding the Fourth Proportional to 1,725,011.97, 2,378,901.92 and 1,363,299.99
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Solution
The fourth proportional to 1,725,011.97, 2,378,901.92 and 1,363,299.99 is: 1,880,077.94
Step by Step Solution
- Step 1: Write the proportion equation
1,725,011.97 : 2,378,901.92 = 1,363,299.99 : x - Step 2: Convert to fraction form
1,725,011.97/2,378,901.92 = 1,363,299.99/x - Step 3: Cross multiply
1,725,011.97x = 2,378,901.92 × 1,363,299.99 - Step 4: Simplify right side
1,725,011.97x = 3,243,156,956,930.48 - Step 5: Solve for x
x = 3,243,156,956,930.48/1,725,011.97 - Step 6: Final answer
x = 1,880,077.94
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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.