Finding the Fourth Proportional to 1,498,720.16, 2,068,232.34 and 810,390.38
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Solution
The fourth proportional to 1,498,720.16, 2,068,232.34 and 810,390.38 is: 1,118,337.92
Step by Step Solution
- Step 1: Write the proportion equation
1,498,720.16 : 2,068,232.34 = 810,390.38 : x - Step 2: Convert to fraction form
1,498,720.16/2,068,232.34 = 810,390.38/x - Step 3: Cross multiply
1,498,720.16x = 2,068,232.34 × 810,390.38 - Step 4: Simplify right side
1,498,720.16x = 1,676,075,581,599.73 - Step 5: Solve for x
x = 1,676,075,581,599.73/1,498,720.16 - Step 6: Final answer
x = 1,118,337.92
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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.