Finding the Fourth Proportional to 2,266,666.74, 3,128,056.16 and 1,234,231.11
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Solution
The fourth proportional to 2,266,666.74, 3,128,056.16 and 1,234,231.11 is: 1,703,269.45
Step by Step Solution
- Step 1: Write the proportion equation
2,266,666.74 : 3,128,056.16 = 1,234,231.11 : x - Step 2: Convert to fraction form
2,266,666.74/3,128,056.16 = 1,234,231.11/x - Step 3: Cross multiply
2,266,666.74x = 3,128,056.16 × 1,234,231.11 - Step 4: Simplify right side
2,266,666.74x = 3,860,744,220,327.98 - Step 5: Solve for x
x = 3,860,744,220,327.98/2,266,666.74 - Step 6: Final answer
x = 1,703,269.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.