Finding the Fourth Proportional to 6,812,565.76, 10,219,639.20 and 2,264,020.48
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Solution
The fourth proportional to 6,812,565.76, 10,219,639.20 and 2,264,020.48 is: 3,396,293.45
Step by Step Solution
- Step 1: Write the proportion equation
6,812,565.76 : 10,219,639.20 = 2,264,020.48 : x - Step 2: Convert to fraction form
6,812,565.76/10,219,639.20 = 2,264,020.48/x - Step 3: Cross multiply
6,812,565.76x = 10,219,639.20 × 2,264,020.48 - Step 4: Simplify right side
6,812,565.76x = 23,137,472,447,010.81 - Step 5: Solve for x
x = 23,137,472,447,010.81/6,812,565.76 - Step 6: Final answer
x = 3,396,293.45
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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.