Finding the Fourth Proportional to 3,617,769.70, 5,432,875.35 and 2,560,233.70
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Solution
The fourth proportional to 3,617,769.70, 5,432,875.35 and 2,560,233.70 is: 3,844,752.90
Step by Step Solution
- Step 1: Write the proportion equation
3,617,769.70 : 5,432,875.35 = 2,560,233.70 : x - Step 2: Convert to fraction form
3,617,769.70/5,432,875.35 = 2,560,233.70/x - Step 3: Cross multiply
3,617,769.70x = 5,432,875.35 × 2,560,233.70 - Step 4: Simplify right side
3,617,769.70x = 13,909,430,558,969.29 - Step 5: Solve for x
x = 13,909,430,558,969.29/3,617,769.70 - Step 6: Final answer
x = 3,844,752.90
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1.5x scale
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.