Finding the Fourth Proportional to 1,489,509.53, 2,055,462.62 and 844,915.88
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Solution
The fourth proportional to 1,489,509.53, 2,055,462.62 and 844,915.88 is: 1,165,949.58
Step by Step Solution
- Step 1: Write the proportion equation
1,489,509.53 : 2,055,462.62 = 844,915.88 : x - Step 2: Convert to fraction form
1,489,509.53/2,055,462.62 = 844,915.88/x - Step 3: Cross multiply
1,489,509.53x = 2,055,462.62 × 844,915.88 - Step 4: Simplify right side
1,489,509.53x = 1,736,693,009,298.48 - Step 5: Solve for x
x = 1,736,693,009,298.48/1,489,509.53 - Step 6: Final answer
x = 1,165,949.58
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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.