Finding the Fourth Proportional to 1,609,938.98, 2,221,230.84 and 965,123.90
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Solution
The fourth proportional to 1,609,938.98, 2,221,230.84 and 965,123.90 is: 1,331,580.26
Step by Step Solution
- Step 1: Write the proportion equation
1,609,938.98 : 2,221,230.84 = 965,123.90 : x - Step 2: Convert to fraction form
1,609,938.98/2,221,230.84 = 965,123.90/x - Step 3: Cross multiply
1,609,938.98x = 2,221,230.84 × 965,123.90 - Step 4: Simplify right side
1,609,938.98x = 2,143,762,971,101.08 - Step 5: Solve for x
x = 2,143,762,971,101.08/1,609,938.98 - Step 6: Final answer
x = 1,331,580.26
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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.