Finding the Fourth Proportional to 1,781,490.70, 2,672,236.05 and 1,560,306.70
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Solution
The fourth proportional to 1,781,490.70, 2,672,236.05 and 1,560,306.70 is: 2,340,460.05
Step by Step Solution
- Step 1: Write the proportion equation
1,781,490.70 : 2,672,236.05 = 1,560,306.70 : x - Step 2: Convert to fraction form
1,781,490.70/2,672,236.05 = 1,560,306.70/x - Step 3: Cross multiply
1,781,490.70x = 2,672,236.05 × 1,560,306.70 - Step 4: Simplify right side
1,781,490.70x = 4,169,507,812,796.53 - Step 5: Solve for x
x = 4,169,507,812,796.53/1,781,490.70 - Step 6: Final answer
x = 2,340,460.05
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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.