Finding the Fourth Proportional to 5,177,368.24, 7,145,273.64 and 3,868,348.88
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Solution
The fourth proportional to 5,177,368.24, 7,145,273.64 and 3,868,348.88 is: 5,338,699.12
Step by Step Solution
- Step 1: Write the proportion equation
5,177,368.24 : 7,145,273.64 = 3,868,348.88 : x - Step 2: Convert to fraction form
5,177,368.24/7,145,273.64 = 3,868,348.88/x - Step 3: Cross multiply
5,177,368.24x = 7,145,273.64 × 3,868,348.88 - Step 4: Simplify right side
5,177,368.24x = 27,640,411,282,587.52 - Step 5: Solve for x
x = 27,640,411,282,587.52/5,177,368.24 - Step 6: Final answer
x = 5,338,699.12
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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.