Finding the Fourth Proportional to 4,152,157.30, 6,223,570.35 and 2,129,619.70
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Solution
The fourth proportional to 4,152,157.30, 6,223,570.35 and 2,129,619.70 is: 3,192,036.59
Step by Step Solution
- Step 1: Write the proportion equation
4,152,157.30 : 6,223,570.35 = 2,129,619.70 : x - Step 2: Convert to fraction form
4,152,157.30/6,223,570.35 = 2,129,619.70/x - Step 3: Cross multiply
4,152,157.30x = 6,223,570.35 × 2,129,619.70 - Step 4: Simplify right side
4,152,157.30x = 13,253,838,021,695.89 - Step 5: Solve for x
x = 13,253,838,021,695.89/4,152,157.30 - Step 6: Final answer
x = 3,192,036.59
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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.