Finding the Fourth Proportional to 4,152,139.30, 6,223,543.35 and 2,129,601.70
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Solution
The fourth proportional to 4,152,139.30, 6,223,543.35 and 2,129,601.70 is: 3,192,009.60
Step by Step Solution
- Step 1: Write the proportion equation
4,152,139.30 : 6,223,543.35 = 2,129,601.70 : x - Step 2: Convert to fraction form
4,152,139.30/6,223,543.35 = 2,129,601.70/x - Step 3: Cross multiply
4,152,139.30x = 6,223,543.35 × 2,129,601.70 - Step 4: Simplify right side
4,152,139.30x = 13,253,668,498,183.70 - Step 5: Solve for x
x = 13,253,668,498,183.70/4,152,139.30 - Step 6: Final answer
x = 3,192,009.60
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1.5x scale
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.