Finding the Fourth Proportional to 2,911,489.80, 4,366,457.10 and 889,729.80
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Solution
The fourth proportional to 2,911,489.80, 4,366,457.10 and 889,729.80 is: 1,334,357.07
Step by Step Solution
- Step 1: Write the proportion equation
2,911,489.80 : 4,366,457.10 = 889,729.80 : x - Step 2: Convert to fraction form
2,911,489.80/4,366,457.10 = 889,729.80/x - Step 3: Cross multiply
2,911,489.80x = 4,366,457.10 × 889,729.80 - Step 4: Simplify right side
2,911,489.80x = 3,884,967,002,291.58 - Step 5: Solve for x
x = 3,884,967,002,291.58/2,911,489.80 - Step 6: Final answer
x = 1,334,357.07
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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.