Finding the Fourth Proportional to 1,247,630.70, 1,871,446.05 and 1,168,898.70
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Solution
The fourth proportional to 1,247,630.70, 1,871,446.05 and 1,168,898.70 is: 1,753,348.05
Step by Step Solution
- Step 1: Write the proportion equation
1,247,630.70 : 1,871,446.05 = 1,168,898.70 : x - Step 2: Convert to fraction form
1,247,630.70/1,871,446.05 = 1,168,898.70/x - Step 3: Cross multiply
1,247,630.70x = 1,871,446.05 × 1,168,898.70 - Step 4: Simplify right side
1,247,630.70x = 2,187,530,854,965.14 - Step 5: Solve for x
x = 2,187,530,854,965.14/1,247,630.70 - Step 6: Final answer
x = 1,753,348.05
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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.