Finding the Fourth Proportional to 1,438,962.84, 1,985,771.66 and 794,383.92
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Solution
The fourth proportional to 1,438,962.84, 1,985,771.66 and 794,383.92 is: 1,096,251.43
Step by Step Solution
- Step 1: Write the proportion equation
1,438,962.84 : 1,985,771.66 = 794,383.92 : x - Step 2: Convert to fraction form
1,438,962.84/1,985,771.66 = 794,383.92/x - Step 3: Cross multiply
1,438,962.84x = 1,985,771.66 × 794,383.92 - Step 4: Simplify right side
1,438,962.84x = 1,577,465,075,495.71 - Step 5: Solve for x
x = 1,577,465,075,495.71/1,438,962.84 - Step 6: Final answer
x = 1,096,251.43
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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.