Finding the Fourth Proportional to 1,449,626.23, 2,000,511.30 and 805,106.80
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Solution
The fourth proportional to 1,449,626.23, 2,000,511.30 and 805,106.80 is: 1,111,062.44
Step by Step Solution
- Step 1: Write the proportion equation
1,449,626.23 : 2,000,511.30 = 805,106.80 : x - Step 2: Convert to fraction form
1,449,626.23/2,000,511.30 = 805,106.80/x - Step 3: Cross multiply
1,449,626.23x = 2,000,511.30 × 805,106.80 - Step 4: Simplify right side
1,449,626.23x = 1,610,625,251,106.84 - Step 5: Solve for x
x = 1,610,625,251,106.84/1,449,626.23 - Step 6: Final answer
x = 1,111,062.44
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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.