Finding the Fourth Proportional to 1,340,467.68, 2,012,134 and 542,271
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Solution
The fourth proportional to 1,340,467.68, 2,012,134 and 542,271 is: 813,985.99
Step by Step Solution
- Step 1: Write the proportion equation
1,340,467.68 : 2,012,134 = 542,271 : x - Step 2: Convert to fraction form
1,340,467.68/2,012,134 = 542,271/x - Step 3: Cross multiply
1,340,467.68x = 2,012,134 × 542,271 - Step 4: Simplify right side
1,340,467.68x = 1,091,121,916,314 - Step 5: Solve for x
x = 1,091,121,916,314/1,340,467.68 - Step 6: Final answer
x = 813,985.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.