Finding the Fourth Proportional to 2,160,093.56, 2,981,778.90 and 1,424,931.08
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Solution
The fourth proportional to 2,160,093.56, 2,981,778.90 and 1,424,931.08 is: 1,966,965.46
Step by Step Solution
- Step 1: Write the proportion equation
2,160,093.56 : 2,981,778.90 = 1,424,931.08 : x - Step 2: Convert to fraction form
2,160,093.56/2,981,778.90 = 1,424,931.08/x - Step 3: Cross multiply
2,160,093.56x = 2,981,778.90 × 1,424,931.08 - Step 4: Simplify right side
2,160,093.56x = 4,248,829,428,298.21 - Step 5: Solve for x
x = 4,248,829,428,298.21/2,160,093.56 - Step 6: Final answer
x = 1,966,965.46
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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.