Finding the Fourth Proportional to 5,876,203.70, 8,814,305.55 and 5,129,707.70
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Solution
The fourth proportional to 5,876,203.70, 8,814,305.55 and 5,129,707.70 is: 7,694,561.55
Step by Step Solution
- Step 1: Write the proportion equation
5,876,203.70 : 8,814,305.55 = 5,129,707.70 : x - Step 2: Convert to fraction form
5,876,203.70/8,814,305.55 = 5,129,707.70/x - Step 3: Cross multiply
5,876,203.70x = 8,814,305.55 × 5,129,707.70 - Step 4: Simplify right side
5,876,203.70x = 45,214,811,049,987.74 - Step 5: Solve for x
x = 45,214,811,049,987.74/5,876,203.70 - Step 6: Final answer
x = 7,694,561.55
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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.