Finding the Fourth Proportional to 1,432,031.20, 2,147,998.20 and 367,083.70
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Solution
The fourth proportional to 1,432,031.20, 2,147,998.20 and 367,083.70 is: 550,613.09
Step by Step Solution
- Step 1: Write the proportion equation
1,432,031.20 : 2,147,998.20 = 367,083.70 : x - Step 2: Convert to fraction form
1,432,031.20/2,147,998.20 = 367,083.70/x - Step 3: Cross multiply
1,432,031.20x = 2,147,998.20 × 367,083.70 - Step 4: Simplify right side
1,432,031.20x = 788,495,126,849.34 - Step 5: Solve for x
x = 788,495,126,849.34/1,432,031.20 - Step 6: Final answer
x = 550,613.09
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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.