Finding the Fourth Proportional to 3,214,169.40, 4,792,856.55 and 3,185,320.44
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Solution
The fourth proportional to 3,214,169.40, 4,792,856.55 and 3,185,320.44 is: 4,749,837.99
Step by Step Solution
- Step 1: Write the proportion equation
3,214,169.40 : 4,792,856.55 = 3,185,320.44 : x - Step 2: Convert to fraction form
3,214,169.40/4,792,856.55 = 3,185,320.44/x - Step 3: Cross multiply
3,214,169.40x = 4,792,856.55 × 3,185,320.44 - Step 4: Simplify right side
3,214,169.40x = 15,266,783,934,702.88 - Step 5: Solve for x
x = 15,266,783,934,702.88/3,214,169.40 - Step 6: Final answer
x = 4,749,837.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.