Finding the Fourth Proportional to 5,571,505.14, 7,688,997.30 and 3,124,900.98
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Solution
The fourth proportional to 5,571,505.14, 7,688,997.30 and 3,124,900.98 is: 4,312,542.95
Step by Step Solution
- Step 1: Write the proportion equation
5,571,505.14 : 7,688,997.30 = 3,124,900.98 : x - Step 2: Convert to fraction form
5,571,505.14/7,688,997.30 = 3,124,900.98/x - Step 3: Cross multiply
5,571,505.14x = 7,688,997.30 × 3,124,900.98 - Step 4: Simplify right side
5,571,505.14x = 24,027,355,197,987.35 - Step 5: Solve for x
x = 24,027,355,197,987.35/5,571,505.14 - Step 6: Final answer
x = 4,312,542.95
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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.