Finding the Fourth Proportional to 3,639,638.48, 5,448,260.28 and 2,374,742.48
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Solution
The fourth proportional to 3,639,638.48, 5,448,260.28 and 2,374,742.48 is: 3,554,807.76
Step by Step Solution
- Step 1: Write the proportion equation
3,639,638.48 : 5,448,260.28 = 2,374,742.48 : x - Step 2: Convert to fraction form
3,639,638.48/5,448,260.28 = 2,374,742.48/x - Step 3: Cross multiply
3,639,638.48x = 5,448,260.28 × 2,374,742.48 - Step 4: Simplify right side
3,639,638.48x = 12,938,215,129,012.70 - Step 5: Solve for x
x = 12,938,215,129,012.70/3,639,638.48 - Step 6: Final answer
x = 3,554,807.76
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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.