Finding the Fourth Proportional to 3,169,995.18, 4,374,593.34 and 1,811,897.34
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Solution
The fourth proportional to 3,169,995.18, 4,374,593.34 and 1,811,897.34 is: 2,500,418.32
Step by Step Solution
- Step 1: Write the proportion equation
3,169,995.18 : 4,374,593.34 = 1,811,897.34 : x - Step 2: Convert to fraction form
3,169,995.18/4,374,593.34 = 1,811,897.34/x - Step 3: Cross multiply
3,169,995.18x = 4,374,593.34 × 1,811,897.34 - Step 4: Simplify right side
3,169,995.18x = 7,926,314,036,327.72 - Step 5: Solve for x
x = 7,926,314,036,327.72/3,169,995.18 - Step 6: Final answer
x = 2,500,418.32
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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.