Finding the Fourth Proportional to 4,900,925.12, 6,762,285.60 and 2,863,340.96
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Solution
The fourth proportional to 4,900,925.12, 6,762,285.60 and 2,863,340.96 is: 3,950,831.50
Step by Step Solution
- Step 1: Write the proportion equation
4,900,925.12 : 6,762,285.60 = 2,863,340.96 : x - Step 2: Convert to fraction form
4,900,925.12/6,762,285.60 = 2,863,340.96/x - Step 3: Cross multiply
4,900,925.12x = 6,762,285.60 × 2,863,340.96 - Step 4: Simplify right side
4,900,925.12x = 19,362,729,341,698.18 - Step 5: Solve for x
x = 19,362,729,341,698.18/4,900,925.12 - Step 6: Final answer
x = 3,950,831.50
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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.