Finding the Fourth Proportional to 4,343,674.80, 6,515,512.20 and 2,832,020.40
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Solution
The fourth proportional to 4,343,674.80, 6,515,512.20 and 2,832,020.40 is: 4,248,030.60
Step by Step Solution
- Step 1: Write the proportion equation
4,343,674.80 : 6,515,512.20 = 2,832,020.40 : x - Step 2: Convert to fraction form
4,343,674.80/6,515,512.20 = 2,832,020.40/x - Step 3: Cross multiply
4,343,674.80x = 6,515,512.20 × 2,832,020.40 - Step 4: Simplify right side
4,343,674.80x = 18,452,063,466,848.88 - Step 5: Solve for x
x = 18,452,063,466,848.88/4,343,674.80 - Step 6: Final answer
x = 4,248,030.60
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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.