Finding the Fourth Proportional to 5,225,482.72, 7,838,262.96 and 1,439,173.36
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Solution
The fourth proportional to 5,225,482.72, 7,838,262.96 and 1,439,173.36 is: 2,158,770.75
Step by Step Solution
- Step 1: Write the proportion equation
5,225,482.72 : 7,838,262.96 = 1,439,173.36 : x - Step 2: Convert to fraction form
5,225,482.72/7,838,262.96 = 1,439,173.36/x - Step 3: Cross multiply
5,225,482.72x = 7,838,262.96 × 1,439,173.36 - Step 4: Simplify right side
5,225,482.72x = 11,280,619,240,706.75 - Step 5: Solve for x
x = 11,280,619,240,706.75/5,225,482.72 - Step 6: Final answer
x = 2,158,770.75
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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.