Finding the Fourth Proportional to 1,920,873.15, 2,881,807.92 and 1,021,575.42
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Solution
The fourth proportional to 1,920,873.15, 2,881,807.92 and 1,021,575.42 is: 1,532,628.08
Step by Step Solution
- Step 1: Write the proportion equation
1,920,873.15 : 2,881,807.92 = 1,021,575.42 : x - Step 2: Convert to fraction form
1,920,873.15/2,881,807.92 = 1,021,575.42/x - Step 3: Cross multiply
1,920,873.15x = 2,881,807.92 × 1,021,575.42 - Step 4: Simplify right side
1,920,873.15x = 2,943,984,136,233.33 - Step 5: Solve for x
x = 2,943,984,136,233.33/1,920,873.15 - Step 6: Final answer
x = 1,532,628.08
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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.