Finding the Fourth Proportional to 1,651,318.40, 2,479,281.60 and 1,055,964.80
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Solution
The fourth proportional to 1,651,318.40, 2,479,281.60 and 1,055,964.80 is: 1,585,420.53
Step by Step Solution
- Step 1: Write the proportion equation
1,651,318.40 : 2,479,281.60 = 1,055,964.80 : x - Step 2: Convert to fraction form
1,651,318.40/2,479,281.60 = 1,055,964.80/x - Step 3: Cross multiply
1,651,318.40x = 2,479,281.60 × 1,055,964.80 - Step 4: Simplify right side
1,651,318.40x = 2,618,034,098,887.68 - Step 5: Solve for x
x = 2,618,034,098,887.68/1,651,318.40 - Step 6: Final answer
x = 1,585,420.53
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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.