Finding the Fourth Proportional to 1,929,115.18, 2,894,321.04 and 1,353,338.56
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Solution
The fourth proportional to 1,929,115.18, 2,894,321.04 and 1,353,338.56 is: 2,030,462.62
Step by Step Solution
- Step 1: Write the proportion equation
1,929,115.18 : 2,894,321.04 = 1,353,338.56 : x - Step 2: Convert to fraction form
1,929,115.18/2,894,321.04 = 1,353,338.56/x - Step 3: Cross multiply
1,929,115.18x = 2,894,321.04 × 1,353,338.56 - Step 4: Simplify right side
1,929,115.18x = 3,916,996,268,451.30 - Step 5: Solve for x
x = 3,916,996,268,451.30/1,929,115.18 - Step 6: Final answer
x = 2,030,462.62
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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.