Finding the Fourth Proportional to 5,678,926.12, 7,837,605.30 and 3,232,132.12
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Solution
The fourth proportional to 5,678,926.12, 7,837,605.30 and 3,232,132.12 is: 4,460,733.47
Step by Step Solution
- Step 1: Write the proportion equation
5,678,926.12 : 7,837,605.30 = 3,232,132.12 : x - Step 2: Convert to fraction form
5,678,926.12/7,837,605.30 = 3,232,132.12/x - Step 3: Cross multiply
5,678,926.12x = 7,837,605.30 × 3,232,132.12 - Step 4: Simplify right side
5,678,926.12x = 25,332,175,834,012.23 - Step 5: Solve for x
x = 25,332,175,834,012.23/5,678,926.12 - Step 6: Final answer
x = 4,460,733.47
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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.