Finding the Fourth Proportional to 1,402,507.60, 2,098,512.60 and 930,115.60
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Solution
The fourth proportional to 1,402,507.60, 2,098,512.60 and 930,115.60 is: 1,391,692.50
Step by Step Solution
- Step 1: Write the proportion equation
1,402,507.60 : 2,098,512.60 = 930,115.60 : x - Step 2: Convert to fraction form
1,402,507.60/2,098,512.60 = 930,115.60/x - Step 3: Cross multiply
1,402,507.60x = 2,098,512.60 × 930,115.60 - Step 4: Simplify right side
1,402,507.60x = 1,951,859,306,056.56 - Step 5: Solve for x
x = 1,951,859,306,056.56/1,402,507.60 - Step 6: Final answer
x = 1,391,692.50
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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.