Finding the Fourth Proportional to 4,343,858.10, 6,518,897.55 and 1,821,323.70
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Solution
The fourth proportional to 4,343,858.10, 6,518,897.55 and 1,821,323.70 is: 2,733,289.70
Step by Step Solution
- Step 1: Write the proportion equation
4,343,858.10 : 6,518,897.55 = 1,821,323.70 : x - Step 2: Convert to fraction form
4,343,858.10/6,518,897.55 = 1,821,323.70/x - Step 3: Cross multiply
4,343,858.10x = 6,518,897.55 × 1,821,323.70 - Step 4: Simplify right side
4,343,858.10x = 11,873,022,605,686.93 - Step 5: Solve for x
x = 11,873,022,605,686.93/4,343,858.10 - Step 6: Final answer
x = 2,733,289.70
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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.