Finding the Fourth Proportional to 1,449,634.07, 2,000,440.22 and 805,095.79
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Solution
The fourth proportional to 1,449,634.07, 2,000,440.22 and 805,095.79 is: 1,111,001.75
Step by Step Solution
- Step 1: Write the proportion equation
1,449,634.07 : 2,000,440.22 = 805,095.79 : x - Step 2: Convert to fraction form
1,449,634.07/2,000,440.22 = 805,095.79/x - Step 3: Cross multiply
1,449,634.07x = 2,000,440.22 × 805,095.79 - Step 4: Simplify right side
1,449,634.07x = 1,610,545,990,242.09 - Step 5: Solve for x
x = 1,610,545,990,242.09/1,449,634.07 - Step 6: Final answer
x = 1,111,001.75
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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.