Finding the Fourth Proportional to 2,997,919.42, 4,498,593.20 and 1,268,653.06
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Solution
The fourth proportional to 2,997,919.42, 4,498,593.20 and 1,268,653.06 is: 1,903,704.95
Step by Step Solution
- Step 1: Write the proportion equation
2,997,919.42 : 4,498,593.20 = 1,268,653.06 : x - Step 2: Convert to fraction form
2,997,919.42/4,498,593.20 = 1,268,653.06/x - Step 3: Cross multiply
2,997,919.42x = 4,498,593.20 × 1,268,653.06 - Step 4: Simplify right side
2,997,919.42x = 5,707,154,028,875.19 - Step 5: Solve for x
x = 5,707,154,028,875.19/2,997,919.42 - Step 6: Final answer
x = 1,903,704.95
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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.