Finding the Fourth Proportional to 2,660,817.79, 3,671,927.40 and 1,437,122.85
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Solution
The fourth proportional to 2,660,817.79, 3,671,927.40 and 1,437,122.85 is: 1,983,228.91
Step by Step Solution
- Step 1: Write the proportion equation
2,660,817.79 : 3,671,927.40 = 1,437,122.85 : x - Step 2: Convert to fraction form
2,660,817.79/3,671,927.40 = 1,437,122.85/x - Step 3: Cross multiply
2,660,817.79x = 3,671,927.40 × 1,437,122.85 - Step 4: Simplify right side
2,660,817.79x = 5,277,010,770,081.09 - Step 5: Solve for x
x = 5,277,010,770,081.09/2,660,817.79 - Step 6: Final answer
x = 1,983,228.91
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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.