Finding the Fourth Proportional to 1,783,815.53, 2,461,720.20 and 1,048,634.98
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Solution
The fourth proportional to 1,783,815.53, 2,461,720.20 and 1,048,634.98 is: 1,447,148.46
Step by Step Solution
- Step 1: Write the proportion equation
1,783,815.53 : 2,461,720.20 = 1,048,634.98 : x - Step 2: Convert to fraction form
1,783,815.53/2,461,720.20 = 1,048,634.98/x - Step 3: Cross multiply
1,783,815.53x = 2,461,720.20 × 1,048,634.98 - Step 4: Simplify right side
1,783,815.53x = 2,581,445,900,384.00 - Step 5: Solve for x
x = 2,581,445,900,384.00/1,783,815.53 - Step 6: Final answer
x = 1,447,148.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.