Finding the Fourth Proportional to 1,695,141.69, 2,339,699.09 and 970,408.23
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Solution
The fourth proportional to 1,695,141.69, 2,339,699.09 and 970,408.23 is: 1,339,394.38
Step by Step Solution
- Step 1: Write the proportion equation
1,695,141.69 : 2,339,699.09 = 970,408.23 : x - Step 2: Convert to fraction form
1,695,141.69/2,339,699.09 = 970,408.23/x - Step 3: Cross multiply
1,695,141.69x = 2,339,699.09 × 970,408.23 - Step 4: Simplify right side
1,695,141.69x = 2,270,463,247,807.47 - Step 5: Solve for x
x = 2,270,463,247,807.47/1,695,141.69 - Step 6: Final answer
x = 1,339,394.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.