Finding the Fourth Proportional to 1,685,125.80, 2,527,688.70 and 740,341.80
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Solution
The fourth proportional to 1,685,125.80, 2,527,688.70 and 740,341.80 is: 1,110,512.70
Step by Step Solution
- Step 1: Write the proportion equation
1,685,125.80 : 2,527,688.70 = 740,341.80 : x - Step 2: Convert to fraction form
1,685,125.80/2,527,688.70 = 740,341.80/x - Step 3: Cross multiply
1,685,125.80x = 2,527,688.70 × 740,341.80 - Step 4: Simplify right side
1,685,125.80x = 1,871,353,601,997.66 - Step 5: Solve for x
x = 1,871,353,601,997.66/1,685,125.80 - Step 6: Final answer
x = 1,110,512.70
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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.