Finding the Fourth Proportional to 2,985,206.67, 4,119,539.49 and 1,678,459.86
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Solution
The fourth proportional to 2,985,206.67, 4,119,539.49 and 1,678,459.86 is: 2,316,248.90
Step by Step Solution
- Step 1: Write the proportion equation
2,985,206.67 : 4,119,539.49 = 1,678,459.86 : x - Step 2: Convert to fraction form
2,985,206.67/4,119,539.49 = 1,678,459.86/x - Step 3: Cross multiply
2,985,206.67x = 4,119,539.49 × 1,678,459.86 - Step 4: Simplify right side
2,985,206.67x = 6,914,481,675,649.87 - Step 5: Solve for x
x = 6,914,481,675,649.87/2,985,206.67 - Step 6: Final answer
x = 2,316,248.90
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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.