Finding the Fourth Proportional to 5,420,176.68, 8,131,037.76 and 1,776,127.08
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Solution
The fourth proportional to 5,420,176.68, 8,131,037.76 and 1,776,127.08 is: 2,664,443.84
Step by Step Solution
- Step 1: Write the proportion equation
5,420,176.68 : 8,131,037.76 = 1,776,127.08 : x - Step 2: Convert to fraction form
5,420,176.68/8,131,037.76 = 1,776,127.08/x - Step 3: Cross multiply
5,420,176.68x = 8,131,037.76 × 1,776,127.08 - Step 4: Simplify right side
5,420,176.68x = 14,441,756,354,038.54 - Step 5: Solve for x
x = 14,441,756,354,038.54/5,420,176.68 - Step 6: Final answer
x = 2,664,443.84
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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.