Finding the Fourth Proportional to 5,367,209.28, 7,409,817.12 and 3,558,830.40
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Solution
The fourth proportional to 5,367,209.28, 7,409,817.12 and 3,558,830.40 is: 4,913,220.46
Step by Step Solution
- Step 1: Write the proportion equation
5,367,209.28 : 7,409,817.12 = 3,558,830.40 : x - Step 2: Convert to fraction form
5,367,209.28/7,409,817.12 = 3,558,830.40/x - Step 3: Cross multiply
5,367,209.28x = 7,409,817.12 × 3,558,830.40 - Step 4: Simplify right side
5,367,209.28x = 26,370,282,425,096.45 - Step 5: Solve for x
x = 26,370,282,425,096.45/5,367,209.28 - Step 6: Final answer
x = 4,913,220.46
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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.