Finding the Fourth Proportional to 4,235,967.76, 6,350,225.05 and 1,678,977.53
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Solution
The fourth proportional to 4,235,967.76, 6,350,225.05 and 1,678,977.53 is: 2,516,989.22
Step by Step Solution
- Step 1: Write the proportion equation
4,235,967.76 : 6,350,225.05 = 1,678,977.53 : x - Step 2: Convert to fraction form
4,235,967.76/6,350,225.05 = 1,678,977.53/x - Step 3: Cross multiply
4,235,967.76x = 6,350,225.05 × 1,678,977.53 - Step 4: Simplify right side
4,235,967.76x = 10,661,885,169,393.13 - Step 5: Solve for x
x = 10,661,885,169,393.13/4,235,967.76 - Step 6: Final answer
x = 2,516,989.22
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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.