Finding the Fourth Proportional to 6,349,880.90, 8,746,812.63 and 5,122,750.40
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Solution
The fourth proportional to 6,349,880.90, 8,746,812.63 and 5,122,750.40 is: 7,056,469.03
Step by Step Solution
- Step 1: Write the proportion equation
6,349,880.90 : 8,746,812.63 = 5,122,750.40 : x - Step 2: Convert to fraction form
6,349,880.90/8,746,812.63 = 5,122,750.40/x - Step 3: Cross multiply
6,349,880.90x = 8,746,812.63 × 5,122,750.40 - Step 4: Simplify right side
6,349,880.90x = 44,807,737,855,323.49 - Step 5: Solve for x
x = 44,807,737,855,323.49/6,349,880.90 - Step 6: Final answer
x = 7,056,469.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.