Finding the Fourth Proportional to 5,467,962.28, 8,201,946.30 and 1,424,439.40
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Solution
The fourth proportional to 5,467,962.28, 8,201,946.30 and 1,424,439.40 is: 2,136,659.85
Step by Step Solution
- Step 1: Write the proportion equation
5,467,962.28 : 8,201,946.30 = 1,424,439.40 : x - Step 2: Convert to fraction form
5,467,962.28/8,201,946.30 = 1,424,439.40/x - Step 3: Cross multiply
5,467,962.28x = 8,201,946.30 × 1,424,439.40 - Step 4: Simplify right side
5,467,962.28x = 11,683,175,466,404.22 - Step 5: Solve for x
x = 11,683,175,466,404.22/5,467,962.28 - Step 6: Final answer
x = 2,136,659.85
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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.