Finding the Fourth Proportional to 4,277,136.50, 6,415,649.40 and 1,038,700.70
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Solution
The fourth proportional to 4,277,136.50, 6,415,649.40 and 1,038,700.70 is: 1,558,037.61
Step by Step Solution
- Step 1: Write the proportion equation
4,277,136.50 : 6,415,649.40 = 1,038,700.70 : x - Step 2: Convert to fraction form
4,277,136.50/6,415,649.40 = 1,038,700.70/x - Step 3: Cross multiply
4,277,136.50x = 6,415,649.40 × 1,038,700.70 - Step 4: Simplify right side
4,277,136.50x = 6,663,939,522,734.58 - Step 5: Solve for x
x = 6,663,939,522,734.58/4,277,136.50 - Step 6: Final answer
x = 1,558,037.61
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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.