Finding the Fourth Proportional to 3,436,176.81, 4,742,005.86 and 1,887,470.92
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Solution
The fourth proportional to 3,436,176.81, 4,742,005.86 and 1,887,470.92 is: 2,604,754.84
Step by Step Solution
- Step 1: Write the proportion equation
3,436,176.81 : 4,742,005.86 = 1,887,470.92 : x - Step 2: Convert to fraction form
3,436,176.81/4,742,005.86 = 1,887,470.92/x - Step 3: Cross multiply
3,436,176.81x = 4,742,005.86 × 1,887,470.92 - Step 4: Simplify right side
3,436,176.81x = 8,950,398,153,782.24 - Step 5: Solve for x
x = 8,950,398,153,782.24/3,436,176.81 - Step 6: Final answer
x = 2,604,754.84
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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.