Finding the Fourth Proportional to 6,138,122.46, 8,470,813.58 and 3,347,398.50
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Solution
The fourth proportional to 6,138,122.46, 8,470,813.58 and 3,347,398.50 is: 4,619,521.50
Step by Step Solution
- Step 1: Write the proportion equation
6,138,122.46 : 8,470,813.58 = 3,347,398.50 : x - Step 2: Convert to fraction form
6,138,122.46/8,470,813.58 = 3,347,398.50/x - Step 3: Cross multiply
6,138,122.46x = 8,470,813.58 × 3,347,398.50 - Step 4: Simplify right side
6,138,122.46x = 28,355,188,671,471.63 - Step 5: Solve for x
x = 28,355,188,671,471.63/6,138,122.46 - Step 6: Final answer
x = 4,619,521.50
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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.