Finding the Fourth Proportional to 1,449,646.24, 2,000,578.24 and 805,069.28
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Solution
The fourth proportional to 1,449,646.24, 2,000,578.24 and 805,069.28 is: 1,111,032.50
Step by Step Solution
- Step 1: Write the proportion equation
1,449,646.24 : 2,000,578.24 = 805,069.28 : x - Step 2: Convert to fraction form
1,449,646.24/2,000,578.24 = 805,069.28/x - Step 3: Cross multiply
1,449,646.24x = 2,000,578.24 × 805,069.28 - Step 4: Simplify right side
1,449,646.24x = 1,610,604,083,260.47 - Step 5: Solve for x
x = 1,610,604,083,260.47/1,449,646.24 - Step 6: Final answer
x = 1,111,032.50
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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.