Finding the Fourth Proportional to 4,905,812.04, 7,358,157.42 and 1,311,859.20
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Solution
The fourth proportional to 4,905,812.04, 7,358,157.42 and 1,311,859.20 is: 1,967,638.88
Step by Step Solution
- Step 1: Write the proportion equation
4,905,812.04 : 7,358,157.42 = 1,311,859.20 : x - Step 2: Convert to fraction form
4,905,812.04/7,358,157.42 = 1,311,859.20/x - Step 3: Cross multiply
4,905,812.04x = 7,358,157.42 × 1,311,859.20 - Step 4: Simplify right side
4,905,812.04x = 9,652,866,506,475.26 - Step 5: Solve for x
x = 9,652,866,506,475.26/4,905,812.04 - Step 6: Final answer
x = 1,967,638.88
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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.