Finding the Fourth Proportional to 1,906,646.16, 2,630,531.49 and 1,079,606.67
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Solution
The fourth proportional to 1,906,646.16, 2,630,531.49 and 1,079,606.67 is: 1,489,494.70
Step by Step Solution
- Step 1: Write the proportion equation
1,906,646.16 : 2,630,531.49 = 1,079,606.67 : x - Step 2: Convert to fraction form
1,906,646.16/2,630,531.49 = 1,079,606.67/x - Step 3: Cross multiply
1,906,646.16x = 2,630,531.49 × 1,079,606.67 - Step 4: Simplify right side
1,906,646.16x = 2,839,939,342,249.04 - Step 5: Solve for x
x = 2,839,939,342,249.04/1,906,646.16 - Step 6: Final answer
x = 1,489,494.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.