Finding the Fourth Proportional to 1,865,437.20, 2,793,490.20 and 1,492,189.20
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Solution
The fourth proportional to 1,865,437.20, 2,793,490.20 and 1,492,189.20 is: 2,234,551.72
Step by Step Solution
- Step 1: Write the proportion equation
1,865,437.20 : 2,793,490.20 = 1,492,189.20 : x - Step 2: Convert to fraction form
1,865,437.20/2,793,490.20 = 1,492,189.20/x - Step 3: Cross multiply
1,865,437.20x = 2,793,490.20 × 1,492,189.20 - Step 4: Simplify right side
1,865,437.20x = 4,168,415,906,745.84 - Step 5: Solve for x
x = 4,168,415,906,745.84/1,865,437.20 - Step 6: Final answer
x = 2,234,551.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.