Finding the Fourth Proportional to 3,443,048.46, 5,165,203.14 and 1,420,188.84
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Solution
The fourth proportional to 3,443,048.46, 5,165,203.14 and 1,420,188.84 is: 2,130,543.31
Step by Step Solution
- Step 1: Write the proportion equation
3,443,048.46 : 5,165,203.14 = 1,420,188.84 : x - Step 2: Convert to fraction form
3,443,048.46/5,165,203.14 = 1,420,188.84/x - Step 3: Cross multiply
3,443,048.46x = 5,165,203.14 × 1,420,188.84 - Step 4: Simplify right side
3,443,048.46x = 7,335,563,855,760.96 - Step 5: Solve for x
x = 7,335,563,855,760.96/3,443,048.46 - Step 6: Final answer
x = 2,130,543.31
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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.