Finding the Fourth Proportional to 5,920,139.74, 8,169,792.72 and 3,203,885.74
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Solution
The fourth proportional to 5,920,139.74, 8,169,792.72 and 3,203,885.74 is: 4,421,362.26
Step by Step Solution
- Step 1: Write the proportion equation
5,920,139.74 : 8,169,792.72 = 3,203,885.74 : x - Step 2: Convert to fraction form
5,920,139.74/8,169,792.72 = 3,203,885.74/x - Step 3: Cross multiply
5,920,139.74x = 8,169,792.72 × 3,203,885.74 - Step 4: Simplify right side
5,920,139.74x = 26,175,082,394,363.81 - Step 5: Solve for x
x = 26,175,082,394,363.81/5,920,139.74 - Step 6: Final answer
x = 4,421,362.26
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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.