Finding the Fourth Proportional to 3,518,423.65, 4,855,881.99 and 1,970,274.79
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Solution
The fourth proportional to 3,518,423.65, 4,855,881.99 and 1,970,274.79 is: 2,719,235.32
Step by Step Solution
- Step 1: Write the proportion equation
3,518,423.65 : 4,855,881.99 = 1,970,274.79 : x - Step 2: Convert to fraction form
3,518,423.65/4,855,881.99 = 1,970,274.79/x - Step 3: Cross multiply
3,518,423.65x = 4,855,881.99 × 1,970,274.79 - Step 4: Simplify right side
3,518,423.65x = 9,567,421,868,112.03 - Step 5: Solve for x
x = 9,567,421,868,112.03/3,518,423.65 - Step 6: Final answer
x = 2,719,235.32
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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.