Finding the Fourth Proportional to 2,386,266.75, 3,293,048.66 and 1,313,178.75
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Solution
The fourth proportional to 2,386,266.75, 3,293,048.66 and 1,313,178.75 is: 1,812,186.97
Step by Step Solution
- Step 1: Write the proportion equation
2,386,266.75 : 3,293,048.66 = 1,313,178.75 : x - Step 2: Convert to fraction form
2,386,266.75/3,293,048.66 = 1,313,178.75/x - Step 3: Cross multiply
2,386,266.75x = 3,293,048.66 × 1,313,178.75 - Step 4: Simplify right side
2,386,266.75x = 4,324,361,516,462.08 - Step 5: Solve for x
x = 4,324,361,516,462.08/2,386,266.75 - Step 6: Final answer
x = 1,812,186.97
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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.