Finding the Fourth Proportional to 1,449,626.75, 2,000,430.14 and 805,088.46
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Solution
The fourth proportional to 1,449,626.75, 2,000,430.14 and 805,088.46 is: 1,110,991.66
Step by Step Solution
- Step 1: Write the proportion equation
1,449,626.75 : 2,000,430.14 = 805,088.46 : x - Step 2: Convert to fraction form
1,449,626.75/2,000,430.14 = 805,088.46/x - Step 3: Cross multiply
1,449,626.75x = 2,000,430.14 × 805,088.46 - Step 4: Simplify right side
1,449,626.75x = 1,610,523,231,019.29 - Step 5: Solve for x
x = 1,610,523,231,019.29/1,449,626.75 - Step 6: Final answer
x = 1,110,991.66
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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.