Finding the Fourth Proportional to 1,488,625.44, 2,054,283.84 and 809,547.36
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Solution
The fourth proportional to 1,488,625.44, 2,054,283.84 and 809,547.36 is: 1,117,164.88
Step by Step Solution
- Step 1: Write the proportion equation
1,488,625.44 : 2,054,283.84 = 809,547.36 : x - Step 2: Convert to fraction form
1,488,625.44/2,054,283.84 = 809,547.36/x - Step 3: Cross multiply
1,488,625.44x = 2,054,283.84 × 809,547.36 - Step 4: Simplify right side
1,488,625.44x = 1,663,040,059,362.66 - Step 5: Solve for x
x = 1,663,040,059,362.66/1,488,625.44 - Step 6: Final answer
x = 1,117,164.88
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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.