Finding the Fourth Proportional to 5,389,860.64, 7,437,560.72 and 3,066,134.84
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Solution
The fourth proportional to 5,389,860.64, 7,437,560.72 and 3,066,134.84 is: 4,231,011.81
Step by Step Solution
- Step 1: Write the proportion equation
5,389,860.64 : 7,437,560.72 = 3,066,134.84 : x - Step 2: Convert to fraction form
5,389,860.64/7,437,560.72 = 3,066,134.84/x - Step 3: Cross multiply
5,389,860.64x = 7,437,560.72 × 3,066,134.84 - Step 4: Simplify right side
5,389,860.64x = 22,804,564,048,207.48 - Step 5: Solve for x
x = 22,804,564,048,207.48/5,389,860.64 - Step 6: Final answer
x = 4,231,011.81
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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.