Finding the Fourth Proportional to 2,812,611.14, 3,881,403.51 and 1,523,451.53
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Solution
The fourth proportional to 2,812,611.14, 3,881,403.51 and 1,523,451.53 is: 2,102,363.18
Step by Step Solution
- Step 1: Write the proportion equation
2,812,611.14 : 3,881,403.51 = 1,523,451.53 : x - Step 2: Convert to fraction form
2,812,611.14/3,881,403.51 = 1,523,451.53/x - Step 3: Cross multiply
2,812,611.14x = 3,881,403.51 × 1,523,451.53 - Step 4: Simplify right side
2,812,611.14x = 5,913,130,088,832.60 - Step 5: Solve for x
x = 5,913,130,088,832.60/2,812,611.14 - Step 6: Final answer
x = 2,102,363.18
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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.