Finding the Fourth Proportional to 4,238,138.80, 6,353,363.33 and 1,540,558.74
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Solution
The fourth proportional to 4,238,138.80, 6,353,363.33 and 1,540,558.74 is: 2,309,440.50
Step by Step Solution
- Step 1: Write the proportion equation
4,238,138.80 : 6,353,363.33 = 1,540,558.74 : x - Step 2: Convert to fraction form
4,238,138.80/6,353,363.33 = 1,540,558.74/x - Step 3: Cross multiply
4,238,138.80x = 6,353,363.33 × 1,540,558.74 - Step 4: Simplify right side
4,238,138.80x = 9,787,729,406,427.00 - Step 5: Solve for x
x = 9,787,729,406,427.00/4,238,138.80 - Step 6: Final answer
x = 2,309,440.50
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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.