Finding the Fourth Proportional to 4,316,399.20, 6,475,376.40 and 1,792,309.60
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Solution
The fourth proportional to 4,316,399.20, 6,475,376.40 and 1,792,309.60 is: 2,688,787.28
Step by Step Solution
- Step 1: Write the proportion equation
4,316,399.20 : 6,475,376.40 = 1,792,309.60 : x - Step 2: Convert to fraction form
4,316,399.20/6,475,376.40 = 1,792,309.60/x - Step 3: Cross multiply
4,316,399.20x = 6,475,376.40 × 1,792,309.60 - Step 4: Simplify right side
4,316,399.20x = 11,605,879,285,333.44 - Step 5: Solve for x
x = 11,605,879,285,333.44/4,316,399.20 - Step 6: Final answer
x = 2,688,787.28
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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.