Finding the Fourth Proportional to 5,012,437.40, 6,917,171.46 and 2,720,599.10
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Solution
The fourth proportional to 5,012,437.40, 6,917,171.46 and 2,720,599.10 is: 3,754,431.02
Step by Step Solution
- Step 1: Write the proportion equation
5,012,437.40 : 6,917,171.46 = 2,720,599.10 : x - Step 2: Convert to fraction form
5,012,437.40/6,917,171.46 = 2,720,599.10/x - Step 3: Cross multiply
5,012,437.40x = 6,917,171.46 × 2,720,599.10 - Step 4: Simplify right side
5,012,437.40x = 18,818,850,448,621.69 - Step 5: Solve for x
x = 18,818,850,448,621.69/5,012,437.40 - Step 6: Final answer
x = 3,754,431.02
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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.