Finding the Fourth Proportional to 2,185,232.20, 3,277,848.30 and 1,972,655.80
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Solution
The fourth proportional to 2,185,232.20, 3,277,848.30 and 1,972,655.80 is: 2,958,983.70
Step by Step Solution
- Step 1: Write the proportion equation
2,185,232.20 : 3,277,848.30 = 1,972,655.80 : x - Step 2: Convert to fraction form
2,185,232.20/3,277,848.30 = 1,972,655.80/x - Step 3: Cross multiply
2,185,232.20x = 3,277,848.30 × 1,972,655.80 - Step 4: Simplify right side
2,185,232.20x = 6,466,066,460,515.14 - Step 5: Solve for x
x = 6,466,066,460,515.14/2,185,232.20 - Step 6: Final answer
x = 2,958,983.70
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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.