Finding the Fourth Proportional to 2,190,553.60, 3,283,372.80 and 928,166.40
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Solution
The fourth proportional to 2,190,553.60, 3,283,372.80 and 928,166.40 is: 1,391,208.28
Step by Step Solution
- Step 1: Write the proportion equation
2,190,553.60 : 3,283,372.80 = 928,166.40 : x - Step 2: Convert to fraction form
2,190,553.60/3,283,372.80 = 928,166.40/x - Step 3: Cross multiply
2,190,553.60x = 3,283,372.80 × 928,166.40 - Step 4: Simplify right side
2,190,553.60x = 3,047,516,311,633.92 - Step 5: Solve for x
x = 3,047,516,311,633.92/2,190,553.60 - Step 6: Final answer
x = 1,391,208.28
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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.