Finding the Fourth Proportional to 2,898,707.09, 4,348,288.68 and 768,791.21
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Solution
The fourth proportional to 2,898,707.09, 4,348,288.68 and 768,791.21 is: 1,153,247.29
Step by Step Solution
- Step 1: Write the proportion equation
2,898,707.09 : 4,348,288.68 = 768,791.21 : x - Step 2: Convert to fraction form
2,898,707.09/4,348,288.68 = 768,791.21/x - Step 3: Cross multiply
2,898,707.09x = 4,348,288.68 × 768,791.21 - Step 4: Simplify right side
2,898,707.09x = 3,342,926,090,141.10 - Step 5: Solve for x
x = 3,342,926,090,141.10/2,898,707.09 - Step 6: Final answer
x = 1,153,247.29
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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.