Finding the Fourth Proportional to 2,877,977.36, 3,971,944.68 and 2,393,688.08
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Solution
The fourth proportional to 2,877,977.36, 3,971,944.68 and 2,393,688.08 is: 3,303,568.95
Step by Step Solution
- Step 1: Write the proportion equation
2,877,977.36 : 3,971,944.68 = 2,393,688.08 : x - Step 2: Convert to fraction form
2,877,977.36/3,971,944.68 = 2,393,688.08/x - Step 3: Cross multiply
2,877,977.36x = 3,971,944.68 × 2,393,688.08 - Step 4: Simplify right side
2,877,977.36x = 9,507,596,634,935.42 - Step 5: Solve for x
x = 9,507,596,634,935.42/2,877,977.36 - Step 6: Final answer
x = 3,303,568.95
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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.