Finding the Fourth Proportional to 3,436,176.29, 4,742,005.14 and 1,887,470.40
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Solution
The fourth proportional to 3,436,176.29, 4,742,005.14 and 1,887,470.40 is: 2,604,754.12
Step by Step Solution
- Step 1: Write the proportion equation
3,436,176.29 : 4,742,005.14 = 1,887,470.40 : x - Step 2: Convert to fraction form
3,436,176.29/4,742,005.14 = 1,887,470.40/x - Step 3: Cross multiply
3,436,176.29x = 4,742,005.14 × 1,887,470.40 - Step 4: Simplify right side
3,436,176.29x = 8,950,394,320,615.34 - Step 5: Solve for x
x = 8,950,394,320,615.34/3,436,176.29 - Step 6: Final answer
x = 2,604,754.12
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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.