Finding the Fourth Proportional to 2,673,842.57, 3,689,908.81 and 1,527,920.18
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Solution
The fourth proportional to 2,673,842.57, 3,689,908.81 and 1,527,920.18 is: 2,108,533.31
Step by Step Solution
- Step 1: Write the proportion equation
2,673,842.57 : 3,689,908.81 = 1,527,920.18 : x - Step 2: Convert to fraction form
2,673,842.57/3,689,908.81 = 1,527,920.18/x - Step 3: Cross multiply
2,673,842.57x = 3,689,908.81 × 1,527,920.18 - Step 4: Simplify right side
2,673,842.57x = 5,637,886,114,709.24 - Step 5: Solve for x
x = 5,637,886,114,709.24/2,673,842.57 - Step 6: Final answer
x = 2,108,533.31
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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.