Finding the Fourth Proportional to 2,140,357.55, 3,206,258.64 and 1,286,961.90
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Solution
The fourth proportional to 2,140,357.55, 3,206,258.64 and 1,286,961.90 is: 1,927,870.75
Step by Step Solution
- Step 1: Write the proportion equation
2,140,357.55 : 3,206,258.64 = 1,286,961.90 : x - Step 2: Convert to fraction form
2,140,357.55/3,206,258.64 = 1,286,961.90/x - Step 3: Cross multiply
2,140,357.55x = 3,206,258.64 × 1,286,961.90 - Step 4: Simplify right side
2,140,357.55x = 4,126,332,711,225.82 - Step 5: Solve for x
x = 4,126,332,711,225.82/2,140,357.55 - Step 6: Final answer
x = 1,927,870.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.