Finding the Fourth Proportional to 4,210,731.68, 6,318,322.79 and 2,987,644.10
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Solution
The fourth proportional to 4,210,731.68, 6,318,322.79 and 2,987,644.10 is: 4,483,045.04
Step by Step Solution
- Step 1: Write the proportion equation
4,210,731.68 : 6,318,322.79 = 2,987,644.10 : x - Step 2: Convert to fraction form
4,210,731.68/6,318,322.79 = 2,987,644.10/x - Step 3: Cross multiply
4,210,731.68x = 6,318,322.79 × 2,987,644.10 - Step 4: Simplify right side
4,210,731.68x = 18,876,899,758,909.21 - Step 5: Solve for x
x = 18,876,899,758,909.21/4,210,731.68 - Step 6: Final answer
x = 4,483,045.04
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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.