Finding the Fourth Proportional to 2,225,318.06, 3,070,938.93 and 1,206,723.62
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Solution
The fourth proportional to 2,225,318.06, 3,070,938.93 and 1,206,723.62 is: 1,665,278.60
Step by Step Solution
- Step 1: Write the proportion equation
2,225,318.06 : 3,070,938.93 = 1,206,723.62 : x - Step 2: Convert to fraction form
2,225,318.06/3,070,938.93 = 1,206,723.62/x - Step 3: Cross multiply
2,225,318.06x = 3,070,938.93 × 1,206,723.62 - Step 4: Simplify right side
2,225,318.06x = 3,705,774,545,560.66 - Step 5: Solve for x
x = 3,705,774,545,560.66/2,225,318.06 - Step 6: Final answer
x = 1,665,278.60
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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.