Finding the Fourth Proportional to 2,130,217.90, 3,194,342.70 and 931,523.20
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Solution
The fourth proportional to 2,130,217.90, 3,194,342.70 and 931,523.20 is: 1,396,854.44
Step by Step Solution
- Step 1: Write the proportion equation
2,130,217.90 : 3,194,342.70 = 931,523.20 : x - Step 2: Convert to fraction form
2,130,217.90/3,194,342.70 = 931,523.20/x - Step 3: Cross multiply
2,130,217.90x = 3,194,342.70 × 931,523.20 - Step 4: Simplify right side
2,130,217.90x = 2,975,604,333,800.64 - Step 5: Solve for x
x = 2,975,604,333,800.64/2,130,217.90 - Step 6: Final answer
x = 1,396,854.44
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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.