Finding the Fourth Proportional to 1,590,847.99, 2,195,416.37 and 865,742.47
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Solution
The fourth proportional to 1,590,847.99, 2,195,416.37 and 865,742.47 is: 1,194,749.72
Step by Step Solution
- Step 1: Write the proportion equation
1,590,847.99 : 2,195,416.37 = 865,742.47 : x - Step 2: Convert to fraction form
1,590,847.99/2,195,416.37 = 865,742.47/x - Step 3: Cross multiply
1,590,847.99x = 2,195,416.37 × 865,742.47 - Step 4: Simplify right side
1,590,847.99x = 1,900,665,187,518.05 - Step 5: Solve for x
x = 1,900,665,187,518.05/1,590,847.99 - Step 6: Final answer
x = 1,194,749.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.