Finding the Fourth Proportional to 6,389,448.58, 8,817,403.88 and 3,488,818.84
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Solution
The fourth proportional to 6,389,448.58, 8,817,403.88 and 3,488,818.84 is: 4,814,550.80
Step by Step Solution
- Step 1: Write the proportion equation
6,389,448.58 : 8,817,403.88 = 3,488,818.84 : x - Step 2: Convert to fraction form
6,389,448.58/8,817,403.88 = 3,488,818.84/x - Step 3: Cross multiply
6,389,448.58x = 8,817,403.88 × 3,488,818.84 - Step 4: Simplify right side
6,389,448.58x = 30,762,324,776,433.10 - Step 5: Solve for x
x = 30,762,324,776,433.10/6,389,448.58 - Step 6: Final answer
x = 4,814,550.80
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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.