Finding the Fourth Proportional to 1,759,516.85, 2,426,064.53 and 1,410,378.09
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Solution
The fourth proportional to 1,759,516.85, 2,426,064.53 and 1,410,378.09 is: 1,944,663.54
Step by Step Solution
- Step 1: Write the proportion equation
1,759,516.85 : 2,426,064.53 = 1,410,378.09 : x - Step 2: Convert to fraction form
1,759,516.85/2,426,064.53 = 1,410,378.09/x - Step 3: Cross multiply
1,759,516.85x = 2,426,064.53 × 1,410,378.09 - Step 4: Simplify right side
1,759,516.85x = 3,421,668,250,986.26 - Step 5: Solve for x
x = 3,421,668,250,986.26/1,759,516.85 - Step 6: Final answer
x = 1,944,663.54
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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.