Finding the Fourth Proportional to 2,788,358.30, 4,182,537.45 and 2,079,770.30
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Solution
The fourth proportional to 2,788,358.30, 4,182,537.45 and 2,079,770.30 is: 3,119,655.45
Step by Step Solution
- Step 1: Write the proportion equation
2,788,358.30 : 4,182,537.45 = 2,079,770.30 : x - Step 2: Convert to fraction form
2,788,358.30/4,182,537.45 = 2,079,770.30/x - Step 3: Cross multiply
2,788,358.30x = 4,182,537.45 × 2,079,770.30 - Step 4: Simplify right side
2,788,358.30x = 8,698,717,167,147.74 - Step 5: Solve for x
x = 8,698,717,167,147.74/2,788,358.30 - Step 6: Final answer
x = 3,119,655.45
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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.