Finding the Fourth Proportional to 4,291,169.94, 6,430,769.82 and 3,224,963.70
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Solution
The fourth proportional to 4,291,169.94, 6,430,769.82 and 3,224,963.70 is: 4,832,947.55
Step by Step Solution
- Step 1: Write the proportion equation
4,291,169.94 : 6,430,769.82 = 3,224,963.70 : x - Step 2: Convert to fraction form
4,291,169.94/6,430,769.82 = 3,224,963.70/x - Step 3: Cross multiply
4,291,169.94x = 6,430,769.82 × 3,224,963.70 - Step 4: Simplify right side
4,291,169.94x = 20,738,999,232,555.54 - Step 5: Solve for x
x = 20,738,999,232,555.54/4,291,169.94 - Step 6: Final answer
x = 4,832,947.55
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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.