Finding the Fourth Proportional to 5,447,266.40, 8,153,184.90 and 4,242,666.80
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Solution
The fourth proportional to 5,447,266.40, 8,153,184.90 and 4,242,666.80 is: 6,350,202.90
Step by Step Solution
- Step 1: Write the proportion equation
5,447,266.40 : 8,153,184.90 = 4,242,666.80 : x - Step 2: Convert to fraction form
5,447,266.40/8,153,184.90 = 4,242,666.80/x - Step 3: Cross multiply
5,447,266.40x = 8,153,184.90 × 4,242,666.80 - Step 4: Simplify right side
5,447,266.40x = 34,591,246,889,491.32 - Step 5: Solve for x
x = 34,591,246,889,491.32/5,447,266.40 - Step 6: Final answer
x = 6,350,202.90
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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.