Finding the Fourth Proportional to 5,714,235.92, 7,885,124.36 and 3,390,728
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Solution
The fourth proportional to 5,714,235.92, 7,885,124.36 and 3,390,728 is: 4,678,895.36
Step by Step Solution
- Step 1: Write the proportion equation
5,714,235.92 : 7,885,124.36 = 3,390,728 : x - Step 2: Convert to fraction form
5,714,235.92/7,885,124.36 = 3,390,728/x - Step 3: Cross multiply
5,714,235.92x = 7,885,124.36 × 3,390,728 - Step 4: Simplify right side
5,714,235.92x = 26,736,311,950,934.08 - Step 5: Solve for x
x = 26,736,311,950,934.08/5,714,235.92 - Step 6: Final answer
x = 4,678,895.36
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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.