Finding the Fourth Proportional to 3,853,387.40, 5,773,860.30 and 2,430,897.80
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Solution
The fourth proportional to 3,853,387.40, 5,773,860.30 and 2,430,897.80 is: 3,642,422.33
Step by Step Solution
- Step 1: Write the proportion equation
3,853,387.40 : 5,773,860.30 = 2,430,897.80 : x - Step 2: Convert to fraction form
3,853,387.40/5,773,860.30 = 2,430,897.80/x - Step 3: Cross multiply
3,853,387.40x = 5,773,860.30 × 2,430,897.80 - Step 4: Simplify right side
3,853,387.40x = 14,035,664,300,777.34 - Step 5: Solve for x
x = 14,035,664,300,777.34/3,853,387.40 - Step 6: Final answer
x = 3,642,422.33
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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.