Finding the Fourth Proportional to 6,934,531.68, 10,402,792.56 and 2,142,639.36
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Solution
The fourth proportional to 6,934,531.68, 10,402,792.56 and 2,142,639.36 is: 3,214,266.49
Step by Step Solution
- Step 1: Write the proportion equation
6,934,531.68 : 10,402,792.56 = 2,142,639.36 : x - Step 2: Convert to fraction form
6,934,531.68/10,402,792.56 = 2,142,639.36/x - Step 3: Cross multiply
6,934,531.68x = 10,402,792.56 × 2,142,639.36 - Step 4: Simplify right side
6,934,531.68x = 22,289,432,792,971.16 - Step 5: Solve for x
x = 22,289,432,792,971.16/6,934,531.68 - Step 6: Final answer
x = 3,214,266.49
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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.