Finding the Fourth Proportional to 2,141,595.77, 2,955,552.49 and 1,223,960.65
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Solution
The fourth proportional to 2,141,595.77, 2,955,552.49 and 1,223,960.65 is: 1,689,151.61
Step by Step Solution
- Step 1: Write the proportion equation
2,141,595.77 : 2,955,552.49 = 1,223,960.65 : x - Step 2: Convert to fraction form
2,141,595.77/2,955,552.49 = 1,223,960.65/x - Step 3: Cross multiply
2,141,595.77x = 2,955,552.49 × 1,223,960.65 - Step 4: Simplify right side
2,141,595.77x = 3,617,479,946,769.52 - Step 5: Solve for x
x = 3,617,479,946,769.52/2,141,595.77 - Step 6: Final answer
x = 1,689,151.61
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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.