Finding the Fourth Proportional to 1,406,106.27, 2,108,221.96 and 459,144.99
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Solution
The fourth proportional to 1,406,106.27, 2,108,221.96 and 459,144.99 is: 688,411.38
Step by Step Solution
- Step 1: Write the proportion equation
1,406,106.27 : 2,108,221.96 = 459,144.99 : x - Step 2: Convert to fraction form
1,406,106.27/2,108,221.96 = 459,144.99/x - Step 3: Cross multiply
1,406,106.27x = 2,108,221.96 × 459,144.99 - Step 4: Simplify right side
1,406,106.27x = 967,979,550,741.98 - Step 5: Solve for x
x = 967,979,550,741.98/1,406,106.27 - Step 6: Final answer
x = 688,411.38
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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.