Finding the Fourth Proportional to 4,205,742.68, 6,309,222.98 and 1,326,132.08
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Solution
The fourth proportional to 4,205,742.68, 6,309,222.98 and 1,326,132.08 is: 1,989,390.13
Step by Step Solution
- Step 1: Write the proportion equation
4,205,742.68 : 6,309,222.98 = 1,326,132.08 : x - Step 2: Convert to fraction form
4,205,742.68/6,309,222.98 = 1,326,132.08/x - Step 3: Cross multiply
4,205,742.68x = 6,309,222.98 × 1,326,132.08 - Step 4: Simplify right side
4,205,742.68x = 8,366,862,993,651.20 - Step 5: Solve for x
x = 8,366,862,993,651.20/4,205,742.68 - Step 6: Final answer
x = 1,989,390.13
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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.