Finding the Fourth Proportional to 1,545,879.87, 2,316,454.97 and 826,323.93
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Solution
The fourth proportional to 1,545,879.87, 2,316,454.97 and 826,323.93 is: 1,238,221.81
Step by Step Solution
- Step 1: Write the proportion equation
1,545,879.87 : 2,316,454.97 = 826,323.93 : x - Step 2: Convert to fraction form
1,545,879.87/2,316,454.97 = 826,323.93/x - Step 3: Cross multiply
1,545,879.87x = 2,316,454.97 × 826,323.93 - Step 4: Simplify right side
1,545,879.87x = 1,914,142,170,346.81 - Step 5: Solve for x
x = 1,914,142,170,346.81/1,545,879.87 - Step 6: Final answer
x = 1,238,221.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.