Finding the Fourth Proportional to 1,541,991.96, 2,128,171.62 and 888,492.90
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Solution
The fourth proportional to 1,541,991.96, 2,128,171.62 and 888,492.90 is: 1,226,248.53
Step by Step Solution
- Step 1: Write the proportion equation
1,541,991.96 : 2,128,171.62 = 888,492.90 : x - Step 2: Convert to fraction form
1,541,991.96/2,128,171.62 = 888,492.90/x - Step 3: Cross multiply
1,541,991.96x = 2,128,171.62 × 888,492.90 - Step 4: Simplify right side
1,541,991.96x = 1,890,865,374,351.50 - Step 5: Solve for x
x = 1,890,865,374,351.50/1,541,991.96 - Step 6: Final answer
x = 1,226,248.53
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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.