Finding the Fourth Proportional to 2,011,854.70, 3,018,316.65 and 874,128.70
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Solution
The fourth proportional to 2,011,854.70, 3,018,316.65 and 874,128.70 is: 1,311,425.33
Step by Step Solution
- Step 1: Write the proportion equation
2,011,854.70 : 3,018,316.65 = 874,128.70 : x - Step 2: Convert to fraction form
2,011,854.70/3,018,316.65 = 874,128.70/x - Step 3: Cross multiply
2,011,854.70x = 3,018,316.65 × 874,128.70 - Step 4: Simplify right side
2,011,854.70x = 2,638,397,209,452.86 - Step 5: Solve for x
x = 2,638,397,209,452.86/2,011,854.70 - Step 6: Final answer
x = 1,311,425.33
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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.