Finding the Fourth Proportional to 1,451,813.68, 2,178,162.60 and 742,340.08
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Solution
The fourth proportional to 1,451,813.68, 2,178,162.60 and 742,340.08 is: 1,113,736.16
Step by Step Solution
- Step 1: Write the proportion equation
1,451,813.68 : 2,178,162.60 = 742,340.08 : x - Step 2: Convert to fraction form
1,451,813.68/2,178,162.60 = 742,340.08/x - Step 3: Cross multiply
1,451,813.68x = 2,178,162.60 × 742,340.08 - Step 4: Simplify right side
1,451,813.68x = 1,616,937,398,737.01 - Step 5: Solve for x
x = 1,616,937,398,737.01/1,451,813.68 - Step 6: Final answer
x = 1,113,736.16
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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.