Finding the Fourth Proportional to 1,705,780.08, 2,353,905.36 and 931,348.80
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Solution
The fourth proportional to 1,705,780.08, 2,353,905.36 and 931,348.80 is: 1,285,222.50
Step by Step Solution
- Step 1: Write the proportion equation
1,705,780.08 : 2,353,905.36 = 931,348.80 : x - Step 2: Convert to fraction form
1,705,780.08/2,353,905.36 = 931,348.80/x - Step 3: Cross multiply
1,705,780.08x = 2,353,905.36 × 931,348.80 - Step 4: Simplify right side
1,705,780.08x = 2,192,306,932,349.57 - Step 5: Solve for x
x = 2,192,306,932,349.57/1,705,780.08 - Step 6: Final answer
x = 1,285,222.50
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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.