Finding the Fourth Proportional to 2,798,117.80, 4,197,176.70 and 2,238,245.80
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Solution
The fourth proportional to 2,798,117.80, 4,197,176.70 and 2,238,245.80 is: 3,357,368.70
Step by Step Solution
- Step 1: Write the proportion equation
2,798,117.80 : 4,197,176.70 = 2,238,245.80 : x - Step 2: Convert to fraction form
2,798,117.80/4,197,176.70 = 2,238,245.80/x - Step 3: Cross multiply
2,798,117.80x = 4,197,176.70 × 2,238,245.80 - Step 4: Simplify right side
2,798,117.80x = 9,394,313,120,632.86 - Step 5: Solve for x
x = 9,394,313,120,632.86/2,798,117.80 - Step 6: Final answer
x = 3,357,368.70
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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.