Finding the Fourth Proportional to 1,234,467.76, 1,851,688.68 and 936,777.10
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Solution
The fourth proportional to 1,234,467.76, 1,851,688.68 and 936,777.10 is: 1,405,155.82
Step by Step Solution
- Step 1: Write the proportion equation
1,234,467.76 : 1,851,688.68 = 936,777.10 : x - Step 2: Convert to fraction form
1,234,467.76/1,851,688.68 = 936,777.10/x - Step 3: Cross multiply
1,234,467.76x = 1,851,688.68 × 936,777.10 - Step 4: Simplify right side
1,234,467.76x = 1,734,619,551,753.23 - Step 5: Solve for x
x = 1,734,619,551,753.23/1,234,467.76 - Step 6: Final answer
x = 1,405,155.82
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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.