Finding the Fourth Proportional to 2,660,816.79, 3,671,926.02 and 1,437,121.85
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Solution
The fourth proportional to 2,660,816.79, 3,671,926.02 and 1,437,121.85 is: 1,983,227.52
Step by Step Solution
- Step 1: Write the proportion equation
2,660,816.79 : 3,671,926.02 = 1,437,121.85 : x - Step 2: Convert to fraction form
2,660,816.79/3,671,926.02 = 1,437,121.85/x - Step 3: Cross multiply
2,660,816.79x = 3,671,926.02 × 1,437,121.85 - Step 4: Simplify right side
2,660,816.79x = 5,277,005,096,565.91 - Step 5: Solve for x
x = 5,277,005,096,565.91/2,660,816.79 - Step 6: Final answer
x = 1,983,227.52
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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.