Finding the Fourth Proportional to 5,012,409.48, 6,917,107.56 and 2,720,570.16
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Solution
The fourth proportional to 5,012,409.48, 6,917,107.56 and 2,720,570.16 is: 3,754,377.31
Step by Step Solution
- Step 1: Write the proportion equation
5,012,409.48 : 6,917,107.56 = 2,720,570.16 : x - Step 2: Convert to fraction form
5,012,409.48/6,917,107.56 = 2,720,570.16/x - Step 3: Cross multiply
5,012,409.48x = 6,917,107.56 × 2,720,570.16 - Step 4: Simplify right side
5,012,409.48x = 18,818,476,421,246.41 - Step 5: Solve for x
x = 18,818,476,421,246.41/5,012,409.48 - Step 6: Final answer
x = 3,754,377.31
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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.