Finding the Fourth Proportional to 2,201,466.19, 3,038,048.43 and 1,221,423.31
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Solution
The fourth proportional to 2,201,466.19, 3,038,048.43 and 1,221,423.31 is: 1,685,578.09
Step by Step Solution
- Step 1: Write the proportion equation
2,201,466.19 : 3,038,048.43 = 1,221,423.31 : x - Step 2: Convert to fraction form
2,201,466.19/3,038,048.43 = 1,221,423.31/x - Step 3: Cross multiply
2,201,466.19x = 3,038,048.43 × 1,221,423.31 - Step 4: Simplify right side
2,201,466.19x = 3,710,743,169,310.90 - Step 5: Solve for x
x = 3,710,743,169,310.90/2,201,466.19 - Step 6: Final answer
x = 1,685,578.09
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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.