Finding the Fourth Proportional to 1,974,152.12, 2,962,407.92 and 1,813,538.84
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Solution
The fourth proportional to 1,974,152.12, 2,962,407.92 and 1,813,538.84 is: 2,721,392.02
Step by Step Solution
- Step 1: Write the proportion equation
1,974,152.12 : 2,962,407.92 = 1,813,538.84 : x - Step 2: Convert to fraction form
1,974,152.12/2,962,407.92 = 1,813,538.84/x - Step 3: Cross multiply
1,974,152.12x = 2,962,407.92 × 1,813,538.84 - Step 4: Simplify right side
1,974,152.12x = 5,372,441,822,843.61 - Step 5: Solve for x
x = 5,372,441,822,843.61/1,974,152.12 - Step 6: Final answer
x = 2,721,392.02
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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.