Finding the Fourth Proportional to 1,759,880.12, 2,428,668.97 and 1,148,424.08
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Solution
The fourth proportional to 1,759,880.12, 2,428,668.97 and 1,148,424.08 is: 1,584,847.68
Step by Step Solution
- Step 1: Write the proportion equation
1,759,880.12 : 2,428,668.97 = 1,148,424.08 : x - Step 2: Convert to fraction form
1,759,880.12/2,428,668.97 = 1,148,424.08/x - Step 3: Cross multiply
1,759,880.12x = 2,428,668.97 × 1,148,424.08 - Step 4: Simplify right side
1,759,880.12x = 2,789,141,912,482.39 - Step 5: Solve for x
x = 2,789,141,912,482.39/1,759,880.12 - Step 6: Final answer
x = 1,584,847.68
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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.