Finding the Fourth Proportional to 2,953,615.70, 4,430,423.55 and 1,460,623.70
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Solution
The fourth proportional to 2,953,615.70, 4,430,423.55 and 1,460,623.70 is: 2,190,935.55
Step by Step Solution
- Step 1: Write the proportion equation
2,953,615.70 : 4,430,423.55 = 1,460,623.70 : x - Step 2: Convert to fraction form
2,953,615.70/4,430,423.55 = 1,460,623.70/x - Step 3: Cross multiply
2,953,615.70x = 4,430,423.55 × 1,460,623.70 - Step 4: Simplify right side
2,953,615.70x = 6,471,181,638,168.14 - Step 5: Solve for x
x = 6,471,181,638,168.14/2,953,615.70 - Step 6: Final answer
x = 2,190,935.55
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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.