Finding the Fourth Proportional to 2,131,246.80, 3,194,637.12 and 993,070.62
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Solution
The fourth proportional to 2,131,246.80, 3,194,637.12 and 993,070.62 is: 1,488,565.41
Step by Step Solution
- Step 1: Write the proportion equation
2,131,246.80 : 3,194,637.12 = 993,070.62 : x - Step 2: Convert to fraction form
2,131,246.80/3,194,637.12 = 993,070.62/x - Step 3: Cross multiply
2,131,246.80x = 3,194,637.12 × 993,070.62 - Step 4: Simplify right side
2,131,246.80x = 3,172,500,265,433.41 - Step 5: Solve for x
x = 3,172,500,265,433.41/2,131,246.80 - Step 6: Final answer
x = 1,488,565.41
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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.