Finding the Fourth Proportional to 2,015,632.62, 2,781,572.49 and 1,110,214.62
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Solution
The fourth proportional to 2,015,632.62, 2,781,572.49 and 1,110,214.62 is: 1,532,095.89
Step by Step Solution
- Step 1: Write the proportion equation
2,015,632.62 : 2,781,572.49 = 1,110,214.62 : x - Step 2: Convert to fraction form
2,015,632.62/2,781,572.49 = 1,110,214.62/x - Step 3: Cross multiply
2,015,632.62x = 2,781,572.49 × 1,110,214.62 - Step 4: Simplify right side
2,015,632.62x = 3,088,142,444,987.80 - Step 5: Solve for x
x = 3,088,142,444,987.80/2,015,632.62 - Step 6: Final answer
x = 1,532,095.89
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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.