Finding the Fourth Proportional to 2,177,786.18, 3,266,466.41 and 661,482.28
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Solution
The fourth proportional to 2,177,786.18, 3,266,466.41 and 661,482.28 is: 992,158.77
Step by Step Solution
- Step 1: Write the proportion equation
2,177,786.18 : 3,266,466.41 = 661,482.28 : x - Step 2: Convert to fraction form
2,177,786.18/3,266,466.41 = 661,482.28/x - Step 3: Cross multiply
2,177,786.18x = 3,266,466.41 × 661,482.28 - Step 4: Simplify right side
2,177,786.18x = 2,160,709,648,430.22 - Step 5: Solve for x
x = 2,160,709,648,430.22/2,177,786.18 - Step 6: Final answer
x = 992,158.77
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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.