Finding the Fourth Proportional to 1,569,108.70, 2,353,663.05 and 431,868.70
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Solution
The fourth proportional to 1,569,108.70, 2,353,663.05 and 431,868.70 is: 647,803.05
Step by Step Solution
- Step 1: Write the proportion equation
1,569,108.70 : 2,353,663.05 = 431,868.70 : x - Step 2: Convert to fraction form
1,569,108.70/2,353,663.05 = 431,868.70/x - Step 3: Cross multiply
1,569,108.70x = 2,353,663.05 × 431,868.70 - Step 4: Simplify right side
1,569,108.70x = 1,016,473,401,641.53 - Step 5: Solve for x
x = 1,016,473,401,641.53/1,569,108.70 - Step 6: Final answer
x = 647,803.05
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1.5x scale
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.