Finding the Fourth Proportional to 2,015,587.20, 2,781,405.36 and 1,251,624.48
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Solution
The fourth proportional to 2,015,587.20, 2,781,405.36 and 1,251,624.48 is: 1,727,176.60
Step by Step Solution
- Step 1: Write the proportion equation
2,015,587.20 : 2,781,405.36 = 1,251,624.48 : x - Step 2: Convert to fraction form
2,015,587.20/2,781,405.36 = 1,251,624.48/x - Step 3: Cross multiply
2,015,587.20x = 2,781,405.36 × 1,251,624.48 - Step 4: Simplify right side
2,015,587.20x = 3,481,275,037,379.21 - Step 5: Solve for x
x = 3,481,275,037,379.21/2,015,587.20 - Step 6: Final answer
x = 1,727,176.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.