Finding the Fourth Proportional to 1,609,038.40, 2,413,557.60 and 487,163.20
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Solution
The fourth proportional to 1,609,038.40, 2,413,557.60 and 487,163.20 is: 730,744.80
Step by Step Solution
- Step 1: Write the proportion equation
1,609,038.40 : 2,413,557.60 = 487,163.20 : x - Step 2: Convert to fraction form
1,609,038.40/2,413,557.60 = 487,163.20/x - Step 3: Cross multiply
1,609,038.40x = 2,413,557.60 × 487,163.20 - Step 4: Simplify right side
1,609,038.40x = 1,175,796,443,800.32 - Step 5: Solve for x
x = 1,175,796,443,800.32/1,609,038.40 - Step 6: Final answer
x = 730,744.80
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1.5x scale
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.