Finding the Fourth Proportional to 2,996,430.40, 4,494,776.80 and 866,729.80
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Solution
The fourth proportional to 2,996,430.40, 4,494,776.80 and 866,729.80 is: 1,300,132.65
Step by Step Solution
- Step 1: Write the proportion equation
2,996,430.40 : 4,494,776.80 = 866,729.80 : x - Step 2: Convert to fraction form
2,996,430.40/4,494,776.80 = 866,729.80/x - Step 3: Cross multiply
2,996,430.40x = 4,494,776.80 × 866,729.80 - Step 4: Simplify right side
2,996,430.40x = 3,895,756,996,908.64 - Step 5: Solve for x
x = 3,895,756,996,908.64/2,996,430.40 - Step 6: Final answer
x = 1,300,132.65
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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.