Finding the Fourth Proportional to 2,812,368.08, 4,218,750.76 and 1,392,042.80
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Solution
The fourth proportional to 2,812,368.08, 4,218,750.76 and 1,392,042.80 is: 2,088,162.52
Step by Step Solution
- Step 1: Write the proportion equation
2,812,368.08 : 4,218,750.76 = 1,392,042.80 : x - Step 2: Convert to fraction form
2,812,368.08/4,218,750.76 = 1,392,042.80/x - Step 3: Cross multiply
2,812,368.08x = 4,218,750.76 × 1,392,042.80 - Step 4: Simplify right side
2,812,368.08x = 5,872,681,620,452.53 - Step 5: Solve for x
x = 5,872,681,620,452.53/2,812,368.08 - Step 6: Final answer
x = 2,088,162.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.