Finding the Fourth Proportional to 1,461,643.22, 2,192,377.35 and 396,661.70
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Solution
The fourth proportional to 1,461,643.22, 2,192,377.35 and 396,661.70 is: 594,968.81
Step by Step Solution
- Step 1: Write the proportion equation
1,461,643.22 : 2,192,377.35 = 396,661.70 : x - Step 2: Convert to fraction form
1,461,643.22/2,192,377.35 = 396,661.70/x - Step 3: Cross multiply
1,461,643.22x = 2,192,377.35 × 396,661.70 - Step 4: Simplify right side
1,461,643.22x = 869,632,126,692.50 - Step 5: Solve for x
x = 869,632,126,692.50/1,461,643.22 - Step 6: Final answer
x = 594,968.81
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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.