Finding the Fourth Proportional to 4,838,868.71, 7,258,322.06 and 1,960,289.97
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Solution
The fourth proportional to 4,838,868.71, 7,258,322.06 and 1,960,289.97 is: 2,940,442.65
Step by Step Solution
- Step 1: Write the proportion equation
4,838,868.71 : 7,258,322.06 = 1,960,289.97 : x - Step 2: Convert to fraction form
4,838,868.71/7,258,322.06 = 1,960,289.97/x - Step 3: Cross multiply
4,838,868.71x = 7,258,322.06 × 1,960,289.97 - Step 4: Simplify right side
4,838,868.71x = 14,228,415,933,247.74 - Step 5: Solve for x
x = 14,228,415,933,247.74/4,838,868.71 - Step 6: Final answer
x = 2,940,442.65
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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.