Finding the Fourth Proportional to 1,449,830.97, 2,000,711.41 and 805,292.51
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Solution
The fourth proportional to 1,449,830.97, 2,000,711.41 and 805,292.51 is: 1,111,272.92
Step by Step Solution
- Step 1: Write the proportion equation
1,449,830.97 : 2,000,711.41 = 805,292.51 : x - Step 2: Convert to fraction form
1,449,830.97/2,000,711.41 = 805,292.51/x - Step 3: Cross multiply
1,449,830.97x = 2,000,711.41 × 805,292.51 - Step 4: Simplify right side
1,449,830.97x = 1,611,157,901,127.75 - Step 5: Solve for x
x = 1,611,157,901,127.75/1,449,830.97 - Step 6: Final answer
x = 1,111,272.92
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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.