Finding the Fourth Proportional to 3,848,438.40, 5,772,448.62 and 1,452,225.12
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Solution
The fourth proportional to 3,848,438.40, 5,772,448.62 and 1,452,225.12 is: 2,178,258.82
Step by Step Solution
- Step 1: Write the proportion equation
3,848,438.40 : 5,772,448.62 = 1,452,225.12 : x - Step 2: Convert to fraction form
3,848,438.40/5,772,448.62 = 1,452,225.12/x - Step 3: Cross multiply
3,848,438.40x = 5,772,448.62 × 1,452,225.12 - Step 4: Simplify right side
3,848,438.40x = 8,382,894,889,873.34 - Step 5: Solve for x
x = 8,382,894,889,873.34/3,848,438.40 - Step 6: Final answer
x = 2,178,258.82
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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.