Finding the Fourth Proportional to 3,353,215.20, 5,029,822.80 and 2,668,246.80
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Solution
The fourth proportional to 3,353,215.20, 5,029,822.80 and 2,668,246.80 is: 4,002,370.20
Step by Step Solution
- Step 1: Write the proportion equation
3,353,215.20 : 5,029,822.80 = 2,668,246.80 : x - Step 2: Convert to fraction form
3,353,215.20/5,029,822.80 = 2,668,246.80/x - Step 3: Cross multiply
3,353,215.20x = 5,029,822.80 × 2,668,246.80 - Step 4: Simplify right side
3,353,215.20x = 13,420,808,590,667.04 - Step 5: Solve for x
x = 13,420,808,590,667.04/3,353,215.20 - Step 6: Final answer
x = 4,002,370.20
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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.