Finding the Fourth Proportional to 1,625,782.08, 2,243,578.88 and 900,676.88
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Solution
The fourth proportional to 1,625,782.08, 2,243,578.88 and 900,676.88 is: 1,242,933.88
Step by Step Solution
- Step 1: Write the proportion equation
1,625,782.08 : 2,243,578.88 = 900,676.88 : x - Step 2: Convert to fraction form
1,625,782.08/2,243,578.88 = 900,676.88/x - Step 3: Cross multiply
1,625,782.08x = 2,243,578.88 × 900,676.88 - Step 4: Simplify right side
1,625,782.08x = 2,020,739,625,672.29 - Step 5: Solve for x
x = 2,020,739,625,672.29/1,625,782.08 - Step 6: Final answer
x = 1,242,933.88
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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.