Finding the Fourth Proportional to 3,332,323.76, 4,995,119.48 and 1,311,985.31
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Solution
The fourth proportional to 3,332,323.76, 4,995,119.48 and 1,311,985.31 is: 1,966,652.65
Step by Step Solution
- Step 1: Write the proportion equation
3,332,323.76 : 4,995,119.48 = 1,311,985.31 : x - Step 2: Convert to fraction form
3,332,323.76/4,995,119.48 = 1,311,985.31/x - Step 3: Cross multiply
3,332,323.76x = 4,995,119.48 × 1,311,985.31 - Step 4: Simplify right side
3,332,323.76x = 6,553,523,347,919.32 - Step 5: Solve for x
x = 6,553,523,347,919.32/3,332,323.76 - Step 6: Final answer
x = 1,966,652.65
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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.