Finding the Fourth Proportional to 6,178,688.40, 9,249,370.20 and 5,432,192.40
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Solution
The fourth proportional to 6,178,688.40, 9,249,370.20 and 5,432,192.40 is: 8,131,880.95
Step by Step Solution
- Step 1: Write the proportion equation
6,178,688.40 : 9,249,370.20 = 5,432,192.40 : x - Step 2: Convert to fraction form
6,178,688.40/9,249,370.20 = 5,432,192.40/x - Step 3: Cross multiply
6,178,688.40x = 9,249,370.20 × 5,432,192.40 - Step 4: Simplify right side
6,178,688.40x = 50,244,358,505,226.48 - Step 5: Solve for x
x = 50,244,358,505,226.48/6,178,688.40 - Step 6: Final answer
x = 8,131,880.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.