Finding the Fourth Proportional to 1,451,880.14, 2,178,263.26 and 742,406.54
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Solution
The fourth proportional to 1,451,880.14, 2,178,263.26 and 742,406.54 is: 1,113,836.36
Step by Step Solution
- Step 1: Write the proportion equation
1,451,880.14 : 2,178,263.26 = 742,406.54 : x - Step 2: Convert to fraction form
1,451,880.14/2,178,263.26 = 742,406.54/x - Step 3: Cross multiply
1,451,880.14x = 2,178,263.26 × 742,406.54 - Step 4: Simplify right side
1,451,880.14x = 1,617,156,890,065.72 - Step 5: Solve for x
x = 1,617,156,890,065.72/1,451,880.14 - Step 6: Final answer
x = 1,113,836.36
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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.