Finding the Fourth Proportional to 1,423,964.01, 2,135,673.87 and 426,692.01
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Solution
The fourth proportional to 1,423,964.01, 2,135,673.87 and 426,692.01 is: 639,956.47
Step by Step Solution
- Step 1: Write the proportion equation
1,423,964.01 : 2,135,673.87 = 426,692.01 : x - Step 2: Convert to fraction form
1,423,964.01/2,135,673.87 = 426,692.01/x - Step 3: Cross multiply
1,423,964.01x = 2,135,673.87 × 426,692.01 - Step 4: Simplify right side
1,423,964.01x = 911,274,976,294.78 - Step 5: Solve for x
x = 911,274,976,294.78/1,423,964.01 - Step 6: Final answer
x = 639,956.47
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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.