Finding the Fourth Proportional to 6,379,309.22, 8,803,659.30 and 3,478,858.79
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Solution
The fourth proportional to 6,379,309.22, 8,803,659.30 and 3,478,858.79 is: 4,800,941.06
Step by Step Solution
- Step 1: Write the proportion equation
6,379,309.22 : 8,803,659.30 = 3,478,858.79 : x - Step 2: Convert to fraction form
6,379,309.22/8,803,659.30 = 3,478,858.79/x - Step 3: Cross multiply
6,379,309.22x = 8,803,659.30 × 3,478,858.79 - Step 4: Simplify right side
6,379,309.22x = 30,626,687,539,970.25 - Step 5: Solve for x
x = 30,626,687,539,970.25/6,379,309.22 - Step 6: Final answer
x = 4,800,941.06
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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.