Finding the Fourth Proportional to 3,624,590.65, 5,001,899.92 and 1,970,737.74
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Solution
The fourth proportional to 3,624,590.65, 5,001,899.92 and 1,970,737.74 is: 2,719,598.95
Step by Step Solution
- Step 1: Write the proportion equation
3,624,590.65 : 5,001,899.92 = 1,970,737.74 : x - Step 2: Convert to fraction form
3,624,590.65/5,001,899.92 = 1,970,737.74/x - Step 3: Cross multiply
3,624,590.65x = 5,001,899.92 × 1,970,737.74 - Step 4: Simplify right side
3,624,590.65x = 9,857,432,919,037.48 - Step 5: Solve for x
x = 9,857,432,919,037.48/3,624,590.65 - Step 6: Final answer
x = 2,719,598.95
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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.