Finding the Fourth Proportional to 5,878,136.80, 8,806,318.80 and 3,346,271.20
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Solution
The fourth proportional to 5,878,136.80, 8,806,318.80 and 3,346,271.20 is: 5,013,209.45
Step by Step Solution
- Step 1: Write the proportion equation
5,878,136.80 : 8,806,318.80 = 3,346,271.20 : x - Step 2: Convert to fraction form
5,878,136.80/8,806,318.80 = 3,346,271.20/x - Step 3: Cross multiply
5,878,136.80x = 8,806,318.80 × 3,346,271.20 - Step 4: Simplify right side
5,878,136.80x = 29,468,330,978,458.56 - Step 5: Solve for x
x = 29,468,330,978,458.56/5,878,136.80 - Step 6: Final answer
x = 5,013,209.45
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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.