Finding the Fourth Proportional to 1,780,502.74, 2,668,887.87 and 657,855.70
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Solution
The fourth proportional to 1,780,502.74, 2,668,887.87 and 657,855.70 is: 986,094.02
Step by Step Solution
- Step 1: Write the proportion equation
1,780,502.74 : 2,668,887.87 = 657,855.70 : x - Step 2: Convert to fraction form
1,780,502.74/2,668,887.87 = 657,855.70/x - Step 3: Cross multiply
1,780,502.74x = 2,668,887.87 × 657,855.70 - Step 4: Simplify right side
1,780,502.74x = 1,755,743,097,940.36 - Step 5: Solve for x
x = 1,755,743,097,940.36/1,780,502.74 - Step 6: Final answer
x = 986,094.02
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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.