Finding the Fourth Proportional to 2,163,243.94, 2,985,155.22 and 1,182,987.94
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Solution
The fourth proportional to 2,163,243.94, 2,985,155.22 and 1,182,987.94 is: 1,632,456.96
Step by Step Solution
- Step 1: Write the proportion equation
2,163,243.94 : 2,985,155.22 = 1,182,987.94 : x - Step 2: Convert to fraction form
2,163,243.94/2,985,155.22 = 1,182,987.94/x - Step 3: Cross multiply
2,163,243.94x = 2,985,155.22 × 1,182,987.94 - Step 4: Simplify right side
2,163,243.94x = 3,531,402,620,204.22 - Step 5: Solve for x
x = 3,531,402,620,204.22/2,163,243.94 - Step 6: Final answer
x = 1,632,456.96
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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.