Finding the Fourth Proportional to 2,945,958.18, 4,064,947.08 and 1,656,721.68
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Solution
The fourth proportional to 2,945,958.18, 4,064,947.08 and 1,656,721.68 is: 2,286,008.67
Step by Step Solution
- Step 1: Write the proportion equation
2,945,958.18 : 4,064,947.08 = 1,656,721.68 : x - Step 2: Convert to fraction form
2,945,958.18/4,064,947.08 = 1,656,721.68/x - Step 3: Cross multiply
2,945,958.18x = 4,064,947.08 × 1,656,721.68 - Step 4: Simplify right side
2,945,958.18x = 6,734,485,955,488.69 - Step 5: Solve for x
x = 6,734,485,955,488.69/2,945,958.18 - Step 6: Final answer
x = 2,286,008.67
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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.