Finding the Fourth Proportional to 5,545,355.28, 7,652,613.74 and 3,030,780.79
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Solution
The fourth proportional to 5,545,355.28, 7,652,613.74 and 3,030,780.79 is: 4,182,490.31
Step by Step Solution
- Step 1: Write the proportion equation
5,545,355.28 : 7,652,613.74 = 3,030,780.79 : x - Step 2: Convert to fraction form
5,545,355.28/7,652,613.74 = 3,030,780.79/x - Step 3: Cross multiply
5,545,355.28x = 7,652,613.74 × 3,030,780.79 - Step 4: Simplify right side
5,545,355.28x = 23,193,394,716,482.05 - Step 5: Solve for x
x = 23,193,394,716,482.05/5,545,355.28 - Step 6: Final answer
x = 4,182,490.31
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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.