Finding the Fourth Proportional to 2,509,615.92, 3,463,257.80 and 1,421,885.36
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Solution
The fourth proportional to 2,509,615.92, 3,463,257.80 and 1,421,885.36 is: 1,962,194.90
Step by Step Solution
- Step 1: Write the proportion equation
2,509,615.92 : 3,463,257.80 = 1,421,885.36 : x - Step 2: Convert to fraction form
2,509,615.92/3,463,257.80 = 1,421,885.36/x - Step 3: Cross multiply
2,509,615.92x = 3,463,257.80 × 1,421,885.36 - Step 4: Simplify right side
2,509,615.92x = 4,924,355,563,725.81 - Step 5: Solve for x
x = 4,924,355,563,725.81/2,509,615.92 - Step 6: Final answer
x = 1,962,194.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.