Finding the Fourth Proportional to 1,971,535.80, 2,958,345.62 and 1,398,860.09
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Solution
The fourth proportional to 1,971,535.80, 2,958,345.62 and 1,398,860.09 is: 2,099,029.40
Step by Step Solution
- Step 1: Write the proportion equation
1,971,535.80 : 2,958,345.62 = 1,398,860.09 : x - Step 2: Convert to fraction form
1,971,535.80/2,958,345.62 = 1,398,860.09/x - Step 3: Cross multiply
1,971,535.80x = 2,958,345.62 × 1,398,860.09 - Step 4: Simplify right side
1,971,535.80x = 4,138,311,605,452.58 - Step 5: Solve for x
x = 4,138,311,605,452.58/1,971,535.80 - Step 6: Final answer
x = 2,099,029.40
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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.