Finding the Fourth Proportional to 5,284,479.14, 7,292,595.21 and 3,109,104.26
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Solution
The fourth proportional to 5,284,479.14, 7,292,595.21 and 3,109,104.26 is: 4,290,572.11
Step by Step Solution
- Step 1: Write the proportion equation
5,284,479.14 : 7,292,595.21 = 3,109,104.26 : x - Step 2: Convert to fraction form
5,284,479.14/7,292,595.21 = 3,109,104.26/x - Step 3: Cross multiply
5,284,479.14x = 7,292,595.21 × 3,109,104.26 - Step 4: Simplify right side
5,284,479.14x = 22,673,438,833,866.59 - Step 5: Solve for x
x = 22,673,438,833,866.59/5,284,479.14 - Step 6: Final answer
x = 4,290,572.11
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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.