Finding the Fourth Proportional to 1,449,911.92, 2,001,605.70 and 906,350.08
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Solution
The fourth proportional to 1,449,911.92, 2,001,605.70 and 906,350.08 is: 1,251,217.72
Step by Step Solution
- Step 1: Write the proportion equation
1,449,911.92 : 2,001,605.70 = 906,350.08 : x - Step 2: Convert to fraction form
1,449,911.92/2,001,605.70 = 906,350.08/x - Step 3: Cross multiply
1,449,911.92x = 2,001,605.70 × 906,350.08 - Step 4: Simplify right side
1,449,911.92x = 1,814,155,486,323.46 - Step 5: Solve for x
x = 1,814,155,486,323.46/1,449,911.92 - Step 6: Final answer
x = 1,251,217.72
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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.