Finding the Fourth Proportional to 1,879,464.94, 2,818,565.58 and 681,136.36
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Solution
The fourth proportional to 1,879,464.94, 2,818,565.58 and 681,136.36 is: 1,021,475.56
Step by Step Solution
- Step 1: Write the proportion equation
1,879,464.94 : 2,818,565.58 = 681,136.36 : x - Step 2: Convert to fraction form
1,879,464.94/2,818,565.58 = 681,136.36/x - Step 3: Cross multiply
1,879,464.94x = 2,818,565.58 × 681,136.36 - Step 4: Simplify right side
1,879,464.94x = 1,919,827,499,582.49 - Step 5: Solve for x
x = 1,919,827,499,582.49/1,879,464.94 - Step 6: Final answer
x = 1,021,475.56
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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.