Finding the Fourth Proportional to 1,885,409.76, 2,828,120.45 and 465,465.99
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Solution
The fourth proportional to 1,885,409.76, 2,828,120.45 and 465,465.99 is: 698,200.42
Step by Step Solution
- Step 1: Write the proportion equation
1,885,409.76 : 2,828,120.45 = 465,465.99 : x - Step 2: Convert to fraction form
1,885,409.76/2,828,120.45 = 465,465.99/x - Step 3: Cross multiply
1,885,409.76x = 2,828,120.45 × 465,465.99 - Step 4: Simplify right side
1,885,409.76x = 1,316,393,882,771.17 - Step 5: Solve for x
x = 1,316,393,882,771.17/1,885,409.76 - Step 6: Final answer
x = 698,200.42
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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.