Finding the Fourth Proportional to 1,458,497.05, 2,187,745.52 and 393,539.07
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Solution
The fourth proportional to 1,458,497.05, 2,187,745.52 and 393,539.07 is: 590,308.59
Step by Step Solution
- Step 1: Write the proportion equation
1,458,497.05 : 2,187,745.52 = 393,539.07 : x - Step 2: Convert to fraction form
1,458,497.05/2,187,745.52 = 393,539.07/x - Step 3: Cross multiply
1,458,497.05x = 2,187,745.52 × 393,539.07 - Step 4: Simplify right side
1,458,497.05x = 860,963,337,337.47 - Step 5: Solve for x
x = 860,963,337,337.47/1,458,497.05 - Step 6: Final answer
x = 590,308.59
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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.