Finding the Fourth Proportional to 1,484,342.63, 2,048,396.79 and 805,279.13
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Solution
The fourth proportional to 1,484,342.63, 2,048,396.79 and 805,279.13 is: 1,111,287.35
Step by Step Solution
- Step 1: Write the proportion equation
1,484,342.63 : 2,048,396.79 = 805,279.13 : x - Step 2: Convert to fraction form
1,484,342.63/2,048,396.79 = 805,279.13/x - Step 3: Cross multiply
1,484,342.63x = 2,048,396.79 × 805,279.13 - Step 4: Simplify right side
1,484,342.63x = 1,649,531,184,945.99 - Step 5: Solve for x
x = 1,649,531,184,945.99/1,484,342.63 - Step 6: Final answer
x = 1,111,287.35
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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.