Finding the Fourth Proportional to 2,867,393.67, 3,956,972.34 and 1,578,206.17
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Solution
The fourth proportional to 2,867,393.67, 3,956,972.34 and 1,578,206.17 is: 2,177,907.49
Step by Step Solution
- Step 1: Write the proportion equation
2,867,393.67 : 3,956,972.34 = 1,578,206.17 : x - Step 2: Convert to fraction form
2,867,393.67/3,956,972.34 = 1,578,206.17/x - Step 3: Cross multiply
2,867,393.67x = 3,956,972.34 × 1,578,206.17 - Step 4: Simplify right side
2,867,393.67x = 6,244,918,161,507.34 - Step 5: Solve for x
x = 6,244,918,161,507.34/2,867,393.67 - Step 6: Final answer
x = 2,177,907.49
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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.